Home / 5,098.90-7,035.92-2,860.46

Finding the Fourth Proportional to 5,098.90, 7,035.92 and 2,860.46

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Solution

The fourth proportional to 5,098.90, 7,035.92 and 2,860.46 is: 3,947.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,098.90 : 7,035.92 = 2,860.46 : x
  2. Step 2: Convert to fraction form
    5,098.90/7,035.92 = 2,860.46/x
  3. Step 3: Cross multiply
    5,098.90x = 7,035.92 × 2,860.46
  4. Step 4: Simplify right side
    5,098.90x = 20,125,967.72
  5. Step 5: Solve for x
    x = 20,125,967.72/5,098.90
  6. Step 6: Final answer
    x = 3,947.12

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1.5x scale

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.