Home / 5,425.60-8,116.12-4,332.10

Finding the Fourth Proportional to 5,425.60, 8,116.12 and 4,332.10

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Solution

The fourth proportional to 5,425.60, 8,116.12 and 4,332.10 is: 6,480.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.60 : 8,116.12 = 4,332.10 : x
  2. Step 2: Convert to fraction form
    5,425.60/8,116.12 = 4,332.10/x
  3. Step 3: Cross multiply
    5,425.60x = 8,116.12 × 4,332.10
  4. Step 4: Simplify right side
    5,425.60x = 35,159,843.45
  5. Step 5: Solve for x
    x = 35,159,843.45/5,425.60
  6. Step 6: Final answer
    x = 6,480.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.