Home / 5,648.19-8,470.92-2,685.32

Finding the Fourth Proportional to 5,648.19, 8,470.92 and 2,685.32

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Solution

The fourth proportional to 5,648.19, 8,470.92 and 2,685.32 is: 4,027.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,648.19 : 8,470.92 = 2,685.32 : x
  2. Step 2: Convert to fraction form
    5,648.19/8,470.92 = 2,685.32/x
  3. Step 3: Cross multiply
    5,648.19x = 8,470.92 × 2,685.32
  4. Step 4: Simplify right side
    5,648.19x = 22,747,088.54
  5. Step 5: Solve for x
    x = 22,747,088.54/5,648.19
  6. Step 6: Final answer
    x = 4,027.32

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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.