Home / 5,475.39-8,220.17-4,700.42

Finding the Fourth Proportional to 5,475.39, 8,220.17 and 4,700.42

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Solution

The fourth proportional to 5,475.39, 8,220.17 and 4,700.42 is: 7,056.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.39 : 8,220.17 = 4,700.42 : x
  2. Step 2: Convert to fraction form
    5,475.39/8,220.17 = 4,700.42/x
  3. Step 3: Cross multiply
    5,475.39x = 8,220.17 × 4,700.42
  4. Step 4: Simplify right side
    5,475.39x = 38,638,251.47
  5. Step 5: Solve for x
    x = 38,638,251.47/5,475.39
  6. Step 6: Final answer
    x = 7,056.71

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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.