Home / 5,489.08-7,572.28-5,276.92

Finding the Fourth Proportional to 5,489.08, 7,572.28 and 5,276.92

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Solution

The fourth proportional to 5,489.08, 7,572.28 and 5,276.92 is: 7,279.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.08 : 7,572.28 = 5,276.92 : x
  2. Step 2: Convert to fraction form
    5,489.08/7,572.28 = 5,276.92/x
  3. Step 3: Cross multiply
    5,489.08x = 7,572.28 × 5,276.92
  4. Step 4: Simplify right side
    5,489.08x = 39,958,315.78
  5. Step 5: Solve for x
    x = 39,958,315.78/5,489.08
  6. Step 6: Final answer
    x = 7,279.60

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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.