Home / 5,386.17-8,077.65-2,098.47

Finding the Fourth Proportional to 5,386.17, 8,077.65 and 2,098.47

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Solution

The fourth proportional to 5,386.17, 8,077.65 and 2,098.47 is: 3,147.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.17 : 8,077.65 = 2,098.47 : x
  2. Step 2: Convert to fraction form
    5,386.17/8,077.65 = 2,098.47/x
  3. Step 3: Cross multiply
    5,386.17x = 8,077.65 × 2,098.47
  4. Step 4: Simplify right side
    5,386.17x = 16,950,706.20
  5. Step 5: Solve for x
    x = 16,950,706.20/5,386.17
  6. Step 6: Final answer
    x = 3,147.08

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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.