Home / 1,650.17-2,276.70-1,125.29

Finding the Fourth Proportional to 1,650.17, 2,276.70 and 1,125.29

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Solution

The fourth proportional to 1,650.17, 2,276.70 and 1,125.29 is: 1,552.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.17 : 2,276.70 = 1,125.29 : x
  2. Step 2: Convert to fraction form
    1,650.17/2,276.70 = 1,125.29/x
  3. Step 3: Cross multiply
    1,650.17x = 2,276.70 × 1,125.29
  4. Step 4: Simplify right side
    1,650.17x = 2,561,947.74
  5. Step 5: Solve for x
    x = 2,561,947.74/1,650.17
  6. Step 6: Final answer
    x = 1,552.54

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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.