Home / 2,449.04-3,379.48-1,401.08

Finding the Fourth Proportional to 2,449.04, 3,379.48 and 1,401.08

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Solution

The fourth proportional to 2,449.04, 3,379.48 and 1,401.08 is: 1,933.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.04 : 3,379.48 = 1,401.08 : x
  2. Step 2: Convert to fraction form
    2,449.04/3,379.48 = 1,401.08/x
  3. Step 3: Cross multiply
    2,449.04x = 3,379.48 × 1,401.08
  4. Step 4: Simplify right side
    2,449.04x = 4,734,921.84
  5. Step 5: Solve for x
    x = 4,734,921.84/2,449.04
  6. Step 6: Final answer
    x = 1,933.38

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Half scale
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Double scale
Find fourth proportional to 2,450.04, 3,380.86 and 1,402.08
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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.