Home / 2,266.10-3,127.76-1,382.38

Finding the Fourth Proportional to 2,266.10, 3,127.76 and 1,382.38

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Solution

The fourth proportional to 2,266.10, 3,127.76 and 1,382.38 is: 1,908.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.10 : 3,127.76 = 1,382.38 : x
  2. Step 2: Convert to fraction form
    2,266.10/3,127.76 = 1,382.38/x
  3. Step 3: Cross multiply
    2,266.10x = 3,127.76 × 1,382.38
  4. Step 4: Simplify right side
    2,266.10x = 4,323,752.87
  5. Step 5: Solve for x
    x = 4,323,752.87/2,266.10
  6. Step 6: Final answer
    x = 1,908.02

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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.