Home / 5,182.13-7,148.68-3,390.65

Finding the Fourth Proportional to 5,182.13, 7,148.68 and 3,390.65

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Solution

The fourth proportional to 5,182.13, 7,148.68 and 3,390.65 is: 4,677.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.13 : 7,148.68 = 3,390.65 : x
  2. Step 2: Convert to fraction form
    5,182.13/7,148.68 = 3,390.65/x
  3. Step 3: Cross multiply
    5,182.13x = 7,148.68 × 3,390.65
  4. Step 4: Simplify right side
    5,182.13x = 24,238,671.84
  5. Step 5: Solve for x
    x = 24,238,671.84/5,182.13
  6. Step 6: Final answer
    x = 4,677.36

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