Home / 5,679.28-8,463.91-5,384.04

Finding the Fourth Proportional to 5,679.28, 8,463.91 and 5,384.04

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Solution

The fourth proportional to 5,679.28, 8,463.91 and 5,384.04 is: 8,023.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.28 : 8,463.91 = 5,384.04 : x
  2. Step 2: Convert to fraction form
    5,679.28/8,463.91 = 5,384.04/x
  3. Step 3: Cross multiply
    5,679.28x = 8,463.91 × 5,384.04
  4. Step 4: Simplify right side
    5,679.28x = 45,570,030.00
  5. Step 5: Solve for x
    x = 45,570,030.00/5,679.28
  6. Step 6: Final answer
    x = 8,023.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.