Home / 2,929.72-4,043.12-1,670.97

Finding the Fourth Proportional to 2,929.72, 4,043.12 and 1,670.97

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Solution

The fourth proportional to 2,929.72, 4,043.12 and 1,670.97 is: 2,306.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.72 : 4,043.12 = 1,670.97 : x
  2. Step 2: Convert to fraction form
    2,929.72/4,043.12 = 1,670.97/x
  3. Step 3: Cross multiply
    2,929.72x = 4,043.12 × 1,670.97
  4. Step 4: Simplify right side
    2,929.72x = 6,755,932.23
  5. Step 5: Solve for x
    x = 6,755,932.23/2,929.72
  6. Step 6: Final answer
    x = 2,306.00

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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.