Home / 3,864.96-5,334.15-2,372.58

Finding the Fourth Proportional to 3,864.96, 5,334.15 and 2,372.58

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Solution

The fourth proportional to 3,864.96, 5,334.15 and 2,372.58 is: 3,274.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.96 : 5,334.15 = 2,372.58 : x
  2. Step 2: Convert to fraction form
    3,864.96/5,334.15 = 2,372.58/x
  3. Step 3: Cross multiply
    3,864.96x = 5,334.15 × 2,372.58
  4. Step 4: Simplify right side
    3,864.96x = 12,655,697.61
  5. Step 5: Solve for x
    x = 12,655,697.61/3,864.96
  6. Step 6: Final answer
    x = 3,274.47

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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.