Home / 5,098.57-7,036.82-2,861.35

Finding the Fourth Proportional to 5,098.57, 7,036.82 and 2,861.35

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Solution

The fourth proportional to 5,098.57, 7,036.82 and 2,861.35 is: 3,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,098.57 : 7,036.82 = 2,861.35 : x
  2. Step 2: Convert to fraction form
    5,098.57/7,036.82 = 2,861.35/x
  3. Step 3: Cross multiply
    5,098.57x = 7,036.82 × 2,861.35
  4. Step 4: Simplify right side
    5,098.57x = 20,134,804.91
  5. Step 5: Solve for x
    x = 20,134,804.91/5,098.57
  6. Step 6: Final answer
    x = 3,949.11

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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.