Home / 2,876.46-3,968.01-1,757.13

Finding the Fourth Proportional to 2,876.46, 3,968.01 and 1,757.13

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Solution

The fourth proportional to 2,876.46, 3,968.01 and 1,757.13 is: 2,423.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.46 : 3,968.01 = 1,757.13 : x
  2. Step 2: Convert to fraction form
    2,876.46/3,968.01 = 1,757.13/x
  3. Step 3: Cross multiply
    2,876.46x = 3,968.01 × 1,757.13
  4. Step 4: Simplify right side
    2,876.46x = 6,972,309.41
  5. Step 5: Solve for x
    x = 6,972,309.41/2,876.46
  6. Step 6: Final answer
    x = 2,423.92

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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.