Home / 1,774.76-2,449.40-1,076.12

Finding the Fourth Proportional to 1,774.76, 2,449.40 and 1,076.12

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Solution

The fourth proportional to 1,774.76, 2,449.40 and 1,076.12 is: 1,485.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.76 : 2,449.40 = 1,076.12 : x
  2. Step 2: Convert to fraction form
    1,774.76/2,449.40 = 1,076.12/x
  3. Step 3: Cross multiply
    1,774.76x = 2,449.40 × 1,076.12
  4. Step 4: Simplify right side
    1,774.76x = 2,635,848.33
  5. Step 5: Solve for x
    x = 2,635,848.33/1,774.76
  6. Step 6: Final answer
    x = 1,485.19

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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.