Home / 2,942.13-4,060.70-1,747.38

Finding the Fourth Proportional to 2,942.13, 4,060.70 and 1,747.38

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Solution

The fourth proportional to 2,942.13, 4,060.70 and 1,747.38 is: 2,411.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.13 : 4,060.70 = 1,747.38 : x
  2. Step 2: Convert to fraction form
    2,942.13/4,060.70 = 1,747.38/x
  3. Step 3: Cross multiply
    2,942.13x = 4,060.70 × 1,747.38
  4. Step 4: Simplify right side
    2,942.13x = 7,095,585.97
  5. Step 5: Solve for x
    x = 7,095,585.97/2,942.13
  6. Step 6: Final answer
    x = 2,411.72

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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.