Home / 2,057.16-2,838.75-1,125.66

Finding the Fourth Proportional to 2,057.16, 2,838.75 and 1,125.66

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Solution

The fourth proportional to 2,057.16, 2,838.75 and 1,125.66 is: 1,553.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.16 : 2,838.75 = 1,125.66 : x
  2. Step 2: Convert to fraction form
    2,057.16/2,838.75 = 1,125.66/x
  3. Step 3: Cross multiply
    2,057.16x = 2,838.75 × 1,125.66
  4. Step 4: Simplify right side
    2,057.16x = 3,195,467.33
  5. Step 5: Solve for x
    x = 3,195,467.33/2,057.16
  6. Step 6: Final answer
    x = 1,553.34

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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.