Home / 5,272.59-7,275.42-4,479.10

Finding the Fourth Proportional to 5,272.59, 7,275.42 and 4,479.10

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Solution

The fourth proportional to 5,272.59, 7,275.42 and 4,479.10 is: 6,180.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.59 : 7,275.42 = 4,479.10 : x
  2. Step 2: Convert to fraction form
    5,272.59/7,275.42 = 4,479.10/x
  3. Step 3: Cross multiply
    5,272.59x = 7,275.42 × 4,479.10
  4. Step 4: Simplify right side
    5,272.59x = 32,587,315.53
  5. Step 5: Solve for x
    x = 32,587,315.53/5,272.59
  6. Step 6: Final answer
    x = 6,180.51

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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.