Home / 6,835.11-9,428.16-4,177.90

Finding the Fourth Proportional to 6,835.11, 9,428.16 and 4,177.90

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Solution

The fourth proportional to 6,835.11, 9,428.16 and 4,177.90 is: 5,762.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,835.11 : 9,428.16 = 4,177.90 : x
  2. Step 2: Convert to fraction form
    6,835.11/9,428.16 = 4,177.90/x
  3. Step 3: Cross multiply
    6,835.11x = 9,428.16 × 4,177.90
  4. Step 4: Simplify right side
    6,835.11x = 39,389,909.66
  5. Step 5: Solve for x
    x = 39,389,909.66/6,835.11
  6. Step 6: Final answer
    x = 5,762.88

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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.