Home / 5,099.30-7,036.98-2,861.17

Finding the Fourth Proportional to 5,099.30, 7,036.98 and 2,861.17

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Solution

The fourth proportional to 5,099.30, 7,036.98 and 2,861.17 is: 3,948.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.30 : 7,036.98 = 2,861.17 : x
  2. Step 2: Convert to fraction form
    5,099.30/7,036.98 = 2,861.17/x
  3. Step 3: Cross multiply
    5,099.30x = 7,036.98 × 2,861.17
  4. Step 4: Simplify right side
    5,099.30x = 20,134,007.33
  5. Step 5: Solve for x
    x = 20,134,007.33/5,099.30
  6. Step 6: Final answer
    x = 3,948.38

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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.