Home / 3,864.16-5,331.72-2,292.76

Finding the Fourth Proportional to 3,864.16, 5,331.72 and 2,292.76

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Solution

The fourth proportional to 3,864.16, 5,331.72 and 2,292.76 is: 3,163.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.16 : 5,331.72 = 2,292.76 : x
  2. Step 2: Convert to fraction form
    3,864.16/5,331.72 = 2,292.76/x
  3. Step 3: Cross multiply
    3,864.16x = 5,331.72 × 2,292.76
  4. Step 4: Simplify right side
    3,864.16x = 12,224,354.35
  5. Step 5: Solve for x
    x = 12,224,354.35/3,864.16
  6. Step 6: Final answer
    x = 3,163.52

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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.