Home / 3,864.89-5,331.80-2,372.26

Finding the Fourth Proportional to 3,864.89, 5,331.80 and 2,372.26

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Solution

The fourth proportional to 3,864.89, 5,331.80 and 2,372.26 is: 3,272.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.89 : 5,331.80 = 2,372.26 : x
  2. Step 2: Convert to fraction form
    3,864.89/5,331.80 = 2,372.26/x
  3. Step 3: Cross multiply
    3,864.89x = 5,331.80 × 2,372.26
  4. Step 4: Simplify right side
    3,864.89x = 12,648,410.67
  5. Step 5: Solve for x
    x = 12,648,410.67/3,864.89
  6. Step 6: Final answer
    x = 3,272.65

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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.