Home / 6,587.24-9,857.10-4,123.40

Finding the Fourth Proportional to 6,587.24, 9,857.10 and 4,123.40

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Solution

The fourth proportional to 6,587.24, 9,857.10 and 4,123.40 is: 6,170.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,587.24 : 9,857.10 = 4,123.40 : x
  2. Step 2: Convert to fraction form
    6,587.24/9,857.10 = 4,123.40/x
  3. Step 3: Cross multiply
    6,587.24x = 9,857.10 × 4,123.40
  4. Step 4: Simplify right side
    6,587.24x = 40,644,766.14
  5. Step 5: Solve for x
    x = 40,644,766.14/6,587.24
  6. Step 6: Final answer
    x = 6,170.23

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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.