Home / 5,098.95-7,036.20-2,861.19

Finding the Fourth Proportional to 5,098.95, 7,036.20 and 2,861.19

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Solution

The fourth proportional to 5,098.95, 7,036.20 and 2,861.19 is: 3,948.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,098.95 : 7,036.20 = 2,861.19 : x
  2. Step 2: Convert to fraction form
    5,098.95/7,036.20 = 2,861.19/x
  3. Step 3: Cross multiply
    5,098.95x = 7,036.20 × 2,861.19
  4. Step 4: Simplify right side
    5,098.95x = 20,131,905.08
  5. Step 5: Solve for x
    x = 20,131,905.08/5,098.95
  6. Step 6: Final answer
    x = 3,948.25

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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.