Home / 2,891.17-4,337.45-943.38

Finding the Fourth Proportional to 2,891.17, 4,337.45 and 943.38

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Solution

The fourth proportional to 2,891.17, 4,337.45 and 943.38 is: 1,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.17 : 4,337.45 = 943.38 : x
  2. Step 2: Convert to fraction form
    2,891.17/4,337.45 = 943.38/x
  3. Step 3: Cross multiply
    2,891.17x = 4,337.45 × 943.38
  4. Step 4: Simplify right side
    2,891.17x = 4,091,863.58
  5. Step 5: Solve for x
    x = 4,091,863.58/2,891.17
  6. Step 6: Final answer
    x = 1,415.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.