Home / 1,819.53-2,510.87-1,112.56

Finding the Fourth Proportional to 1,819.53, 2,510.87 and 1,112.56

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Solution

The fourth proportional to 1,819.53, 2,510.87 and 1,112.56 is: 1,535.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.53 : 2,510.87 = 1,112.56 : x
  2. Step 2: Convert to fraction form
    1,819.53/2,510.87 = 1,112.56/x
  3. Step 3: Cross multiply
    1,819.53x = 2,510.87 × 1,112.56
  4. Step 4: Simplify right side
    1,819.53x = 2,793,480.97
  5. Step 5: Solve for x
    x = 2,793,480.97/1,819.53
  6. Step 6: Final answer
    x = 1,535.28

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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.