Home / 5,607.52-8,406.09-3,140.61

Finding the Fourth Proportional to 5,607.52, 8,406.09 and 3,140.61

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Solution

The fourth proportional to 5,607.52, 8,406.09 and 3,140.61 is: 4,708.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.52 : 8,406.09 = 3,140.61 : x
  2. Step 2: Convert to fraction form
    5,607.52/8,406.09 = 3,140.61/x
  3. Step 3: Cross multiply
    5,607.52x = 8,406.09 × 3,140.61
  4. Step 4: Simplify right side
    5,607.52x = 26,400,237.92
  5. Step 5: Solve for x
    x = 26,400,237.92/5,607.52
  6. Step 6: Final answer
    x = 4,708.01

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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.