Home / 2,057.64-2,839.58-1,126.12

Finding the Fourth Proportional to 2,057.64, 2,839.58 and 1,126.12

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Solution

The fourth proportional to 2,057.64, 2,839.58 and 1,126.12 is: 1,554.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.64 : 2,839.58 = 1,126.12 : x
  2. Step 2: Convert to fraction form
    2,057.64/2,839.58 = 1,126.12/x
  3. Step 3: Cross multiply
    2,057.64x = 2,839.58 × 1,126.12
  4. Step 4: Simplify right side
    2,057.64x = 3,197,707.83
  5. Step 5: Solve for x
    x = 3,197,707.83/2,057.64
  6. Step 6: Final answer
    x = 1,554.07

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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.