Home / 5,580.92-7,710.06-3,671.30

Finding the Fourth Proportional to 5,580.92, 7,710.06 and 3,671.30

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Solution

The fourth proportional to 5,580.92, 7,710.06 and 3,671.30 is: 5,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.92 : 7,710.06 = 3,671.30 : x
  2. Step 2: Convert to fraction form
    5,580.92/7,710.06 = 3,671.30/x
  3. Step 3: Cross multiply
    5,580.92x = 7,710.06 × 3,671.30
  4. Step 4: Simplify right side
    5,580.92x = 28,305,943.28
  5. Step 5: Solve for x
    x = 28,305,943.28/5,580.92
  6. Step 6: Final answer
    x = 5,071.91

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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.