Home / 5,251.04-7,246.40-2,861.00

Finding the Fourth Proportional to 5,251.04, 7,246.40 and 2,861.00

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Solution

The fourth proportional to 5,251.04, 7,246.40 and 2,861.00 is: 3,948.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.04 : 7,246.40 = 2,861.00 : x
  2. Step 2: Convert to fraction form
    5,251.04/7,246.40 = 2,861.00/x
  3. Step 3: Cross multiply
    5,251.04x = 7,246.40 × 2,861.00
  4. Step 4: Simplify right side
    5,251.04x = 20,731,991.94
  5. Step 5: Solve for x
    x = 20,731,991.94/5,251.04
  6. Step 6: Final answer
    x = 3,948.17

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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.