Home / 4,167.52-6,251.40-1,393.68

Finding the Fourth Proportional to 4,167.52, 6,251.40 and 1,393.68

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Solution

The fourth proportional to 4,167.52, 6,251.40 and 1,393.68 is: 2,090.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.52 : 6,251.40 = 1,393.68 : x
  2. Step 2: Convert to fraction form
    4,167.52/6,251.40 = 1,393.68/x
  3. Step 3: Cross multiply
    4,167.52x = 6,251.40 × 1,393.68
  4. Step 4: Simplify right side
    4,167.52x = 8,712,412.93
  5. Step 5: Solve for x
    x = 8,712,412.93/4,167.52
  6. Step 6: Final answer
    x = 2,090.55

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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.