Home / 5,319.55-7,978.72-2,032.57

Finding the Fourth Proportional to 5,319.55, 7,978.72 and 2,032.57

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Solution

The fourth proportional to 5,319.55, 7,978.72 and 2,032.57 is: 3,048.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.55 : 7,978.72 = 2,032.57 : x
  2. Step 2: Convert to fraction form
    5,319.55/7,978.72 = 2,032.57/x
  3. Step 3: Cross multiply
    5,319.55x = 7,978.72 × 2,032.57
  4. Step 4: Simplify right side
    5,319.55x = 16,217,306.91
  5. Step 5: Solve for x
    x = 16,217,306.91/5,319.55
  6. Step 6: Final answer
    x = 3,048.62

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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.