Home / 4,272.41-5,887.18-3,151.58

Finding the Fourth Proportional to 4,272.41, 5,887.18 and 3,151.58

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Solution

The fourth proportional to 4,272.41, 5,887.18 and 3,151.58 is: 4,342.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.41 : 5,887.18 = 3,151.58 : x
  2. Step 2: Convert to fraction form
    4,272.41/5,887.18 = 3,151.58/x
  3. Step 3: Cross multiply
    4,272.41x = 5,887.18 × 3,151.58
  4. Step 4: Simplify right side
    4,272.41x = 18,553,881.43
  5. Step 5: Solve for x
    x = 18,553,881.43/4,272.41
  6. Step 6: Final answer
    x = 4,342.72

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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.