Home / 5,447.74-7,517.53-3,209.19

Finding the Fourth Proportional to 5,447.74, 7,517.53 and 3,209.19

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Solution

The fourth proportional to 5,447.74, 7,517.53 and 3,209.19 is: 4,428.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.74 : 7,517.53 = 3,209.19 : x
  2. Step 2: Convert to fraction form
    5,447.74/7,517.53 = 3,209.19/x
  3. Step 3: Cross multiply
    5,447.74x = 7,517.53 × 3,209.19
  4. Step 4: Simplify right side
    5,447.74x = 24,125,182.10
  5. Step 5: Solve for x
    x = 24,125,182.10/5,447.74
  6. Step 6: Final answer
    x = 4,428.48

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Half scale
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Double scale
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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.