Home / 5,531.24-7,632.25-3,172.92

Finding the Fourth Proportional to 5,531.24, 7,632.25 and 3,172.92

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Solution

The fourth proportional to 5,531.24, 7,632.25 and 3,172.92 is: 4,378.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.24 : 7,632.25 = 3,172.92 : x
  2. Step 2: Convert to fraction form
    5,531.24/7,632.25 = 3,172.92/x
  3. Step 3: Cross multiply
    5,531.24x = 7,632.25 × 3,172.92
  4. Step 4: Simplify right side
    5,531.24x = 24,216,533.97
  5. Step 5: Solve for x
    x = 24,216,533.97/5,531.24
  6. Step 6: Final answer
    x = 4,378.14

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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.