Home / 2,037.68-2,812.20-1,153.52

Finding the Fourth Proportional to 2,037.68, 2,812.20 and 1,153.52

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Solution

The fourth proportional to 2,037.68, 2,812.20 and 1,153.52 is: 1,591.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.68 : 2,812.20 = 1,153.52 : x
  2. Step 2: Convert to fraction form
    2,037.68/2,812.20 = 1,153.52/x
  3. Step 3: Cross multiply
    2,037.68x = 2,812.20 × 1,153.52
  4. Step 4: Simplify right side
    2,037.68x = 3,243,928.94
  5. Step 5: Solve for x
    x = 3,243,928.94/2,037.68
  6. Step 6: Final answer
    x = 1,591.97

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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.