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Finding the Fourth Proportional to 2,894.03, 3,994.14 and 1,774.76

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Solution

The fourth proportional to 2,894.03, 3,994.14 and 1,774.76 is: 2,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.03 : 3,994.14 = 1,774.76 : x
  2. Step 2: Convert to fraction form
    2,894.03/3,994.14 = 1,774.76/x
  3. Step 3: Cross multiply
    2,894.03x = 3,994.14 × 1,774.76
  4. Step 4: Simplify right side
    2,894.03x = 7,088,619.94
  5. Step 5: Solve for x
    x = 7,088,619.94/2,894.03
  6. Step 6: Final answer
    x = 2,449.40

Related Problems

Find fourth proportional to 1,447.01, 1,997.07 and 887.38
Half scale
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Double scale
Find fourth proportional to 2,895.03, 3,995.52 and 1,775.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.