Home / 2,057.67-2,839.64-1,126.17

Finding the Fourth Proportional to 2,057.67, 2,839.64 and 1,126.17

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Solution

The fourth proportional to 2,057.67, 2,839.64 and 1,126.17 is: 1,554.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.67 : 2,839.64 = 1,126.17 : x
  2. Step 2: Convert to fraction form
    2,057.67/2,839.64 = 1,126.17/x
  3. Step 3: Cross multiply
    2,057.67x = 2,839.64 × 1,126.17
  4. Step 4: Simplify right side
    2,057.67x = 3,197,911.75
  5. Step 5: Solve for x
    x = 3,197,911.75/2,057.67
  6. Step 6: Final answer
    x = 1,554.14

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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.