Home / 2,732.13-4,098.15-1,764.45

Finding the Fourth Proportional to 2,732.13, 4,098.15 and 1,764.45

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Solution

The fourth proportional to 2,732.13, 4,098.15 and 1,764.45 is: 2,646.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.13 : 4,098.15 = 1,764.45 : x
  2. Step 2: Convert to fraction form
    2,732.13/4,098.15 = 1,764.45/x
  3. Step 3: Cross multiply
    2,732.13x = 4,098.15 × 1,764.45
  4. Step 4: Simplify right side
    2,732.13x = 7,230,980.77
  5. Step 5: Solve for x
    x = 7,230,980.77/2,732.13
  6. Step 6: Final answer
    x = 2,646.65

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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.