Home / 5,098.20-7,038.96-3,186.94

Finding the Fourth Proportional to 5,098.20, 7,038.96 and 3,186.94

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Solution

The fourth proportional to 5,098.20, 7,038.96 and 3,186.94 is: 4,400.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,098.20 : 7,038.96 = 3,186.94 : x
  2. Step 2: Convert to fraction form
    5,098.20/7,038.96 = 3,186.94/x
  3. Step 3: Cross multiply
    5,098.20x = 7,038.96 × 3,186.94
  4. Step 4: Simplify right side
    5,098.20x = 22,432,743.18
  5. Step 5: Solve for x
    x = 22,432,743.18/5,098.20
  6. Step 6: Final answer
    x = 4,400.13

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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.