Home / 6,956.80-10,436.08-2,574.30

Finding the Fourth Proportional to 6,956.80, 10,436.08 and 2,574.30

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Solution

The fourth proportional to 6,956.80, 10,436.08 and 2,574.30 is: 3,861.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,956.80 : 10,436.08 = 2,574.30 : x
  2. Step 2: Convert to fraction form
    6,956.80/10,436.08 = 2,574.30/x
  3. Step 3: Cross multiply
    6,956.80x = 10,436.08 × 2,574.30
  4. Step 4: Simplify right side
    6,956.80x = 26,865,600.74
  5. Step 5: Solve for x
    x = 26,865,600.74/6,956.80
  6. Step 6: Final answer
    x = 3,861.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.