Home / 7,770.27-11,652.89-2,574.75

Finding the Fourth Proportional to 7,770.27, 11,652.89 and 2,574.75

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Solution

The fourth proportional to 7,770.27, 11,652.89 and 2,574.75 is: 3,861.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770.27 : 11,652.89 = 2,574.75 : x
  2. Step 2: Convert to fraction form
    7,770.27/11,652.89 = 2,574.75/x
  3. Step 3: Cross multiply
    7,770.27x = 11,652.89 × 2,574.75
  4. Step 4: Simplify right side
    7,770.27x = 30,003,265.65
  5. Step 5: Solve for x
    x = 30,003,265.65/7,770.27
  6. Step 6: Final answer
    x = 3,861.29

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1.5x scale

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.