Home / 5,647.98-8,470.60-2,359.28

Finding the Fourth Proportional to 5,647.98, 8,470.60 and 2,359.28

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Solution

The fourth proportional to 5,647.98, 8,470.60 and 2,359.28 is: 3,538.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647.98 : 8,470.60 = 2,359.28 : x
  2. Step 2: Convert to fraction form
    5,647.98/8,470.60 = 2,359.28/x
  3. Step 3: Cross multiply
    5,647.98x = 8,470.60 × 2,359.28
  4. Step 4: Simplify right side
    5,647.98x = 19,984,517.17
  5. Step 5: Solve for x
    x = 19,984,517.17/5,647.98
  6. Step 6: Final answer
    x = 3,538.35

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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.