Home / 5,167.40-7,132.62-3,042.75

Finding the Fourth Proportional to 5,167.40, 7,132.62 and 3,042.75

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Solution

The fourth proportional to 5,167.40, 7,132.62 and 3,042.75 is: 4,199.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.40 : 7,132.62 = 3,042.75 : x
  2. Step 2: Convert to fraction form
    5,167.40/7,132.62 = 3,042.75/x
  3. Step 3: Cross multiply
    5,167.40x = 7,132.62 × 3,042.75
  4. Step 4: Simplify right side
    5,167.40x = 21,702,779.51
  5. Step 5: Solve for x
    x = 21,702,779.51/5,167.40
  6. Step 6: Final answer
    x = 4,199.95

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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.