Home / 6,129.24-8,437.60-5,537.92

Finding the Fourth Proportional to 6,129.24, 8,437.60 and 5,537.92

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Solution

The fourth proportional to 6,129.24, 8,437.60 and 5,537.92 is: 7,623.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.24 : 8,437.60 = 5,537.92 : x
  2. Step 2: Convert to fraction form
    6,129.24/8,437.60 = 5,537.92/x
  3. Step 3: Cross multiply
    6,129.24x = 8,437.60 × 5,537.92
  4. Step 4: Simplify right side
    6,129.24x = 46,726,753.79
  5. Step 5: Solve for x
    x = 46,726,753.79/6,129.24
  6. Step 6: Final answer
    x = 7,623.58

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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.