Home / 5,178.52-7,144.80-3,024.66

Finding the Fourth Proportional to 5,178.52, 7,144.80 and 3,024.66

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Solution

The fourth proportional to 5,178.52, 7,144.80 and 3,024.66 is: 4,173.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178.52 : 7,144.80 = 3,024.66 : x
  2. Step 2: Convert to fraction form
    5,178.52/7,144.80 = 3,024.66/x
  3. Step 3: Cross multiply
    5,178.52x = 7,144.80 × 3,024.66
  4. Step 4: Simplify right side
    5,178.52x = 21,610,590.77
  5. Step 5: Solve for x
    x = 21,610,590.77/5,178.52
  6. Step 6: Final answer
    x = 4,173.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.