Home / 1,731.22-2,596.75-498.59

Finding the Fourth Proportional to 1,731.22, 2,596.75 and 498.59

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Solution

The fourth proportional to 1,731.22, 2,596.75 and 498.59 is: 747.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.22 : 2,596.75 = 498.59 : x
  2. Step 2: Convert to fraction form
    1,731.22/2,596.75 = 498.59/x
  3. Step 3: Cross multiply
    1,731.22x = 2,596.75 × 498.59
  4. Step 4: Simplify right side
    1,731.22x = 1,294,713.58
  5. Step 5: Solve for x
    x = 1,294,713.58/1,731.22
  6. Step 6: Final answer
    x = 747.86

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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.