Home / 4,178.14-5,765.46-2,385.61

Finding the Fourth Proportional to 4,178.14, 5,765.46 and 2,385.61

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Solution

The fourth proportional to 4,178.14, 5,765.46 and 2,385.61 is: 3,291.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.14 : 5,765.46 = 2,385.61 : x
  2. Step 2: Convert to fraction form
    4,178.14/5,765.46 = 2,385.61/x
  3. Step 3: Cross multiply
    4,178.14x = 5,765.46 × 2,385.61
  4. Step 4: Simplify right side
    4,178.14x = 13,754,139.03
  5. Step 5: Solve for x
    x = 13,754,139.03/4,178.14
  6. Step 6: Final answer
    x = 3,291.93

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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.