Home / 3,020.32-4,167.95-1,694.08

Finding the Fourth Proportional to 3,020.32, 4,167.95 and 1,694.08

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Solution

The fourth proportional to 3,020.32, 4,167.95 and 1,694.08 is: 2,337.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.32 : 4,167.95 = 1,694.08 : x
  2. Step 2: Convert to fraction form
    3,020.32/4,167.95 = 1,694.08/x
  3. Step 3: Cross multiply
    3,020.32x = 4,167.95 × 1,694.08
  4. Step 4: Simplify right side
    3,020.32x = 7,060,840.74
  5. Step 5: Solve for x
    x = 7,060,840.74/3,020.32
  6. Step 6: Final answer
    x = 2,337.78

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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.