Home / 2,937.42-4,397.49-1,961.10

Finding the Fourth Proportional to 2,937.42, 4,397.49 and 1,961.10

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Solution

The fourth proportional to 2,937.42, 4,397.49 and 1,961.10 is: 2,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.42 : 4,397.49 = 1,961.10 : x
  2. Step 2: Convert to fraction form
    2,937.42/4,397.49 = 1,961.10/x
  3. Step 3: Cross multiply
    2,937.42x = 4,397.49 × 1,961.10
  4. Step 4: Simplify right side
    2,937.42x = 8,623,917.64
  5. Step 5: Solve for x
    x = 8,623,917.64/2,937.42
  6. Step 6: Final answer
    x = 2,935.88

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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.