Home / 5,148.52-7,722.72-1,252.93

Finding the Fourth Proportional to 5,148.52, 7,722.72 and 1,252.93

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Solution

The fourth proportional to 5,148.52, 7,722.72 and 1,252.93 is: 1,879.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.52 : 7,722.72 = 1,252.93 : x
  2. Step 2: Convert to fraction form
    5,148.52/7,722.72 = 1,252.93/x
  3. Step 3: Cross multiply
    5,148.52x = 7,722.72 × 1,252.93
  4. Step 4: Simplify right side
    5,148.52x = 9,676,027.57
  5. Step 5: Solve for x
    x = 9,676,027.57/5,148.52
  6. Step 6: Final answer
    x = 1,879.38

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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.