Home / 2,037.96-2,812.39-1,153.78

Finding the Fourth Proportional to 2,037.96, 2,812.39 and 1,153.78

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Solution

The fourth proportional to 2,037.96, 2,812.39 and 1,153.78 is: 1,592.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.96 : 2,812.39 = 1,153.78 : x
  2. Step 2: Convert to fraction form
    2,037.96/2,812.39 = 1,153.78/x
  3. Step 3: Cross multiply
    2,037.96x = 2,812.39 × 1,153.78
  4. Step 4: Simplify right side
    2,037.96x = 3,244,869.42
  5. Step 5: Solve for x
    x = 3,244,869.42/2,037.96
  6. Step 6: Final answer
    x = 1,592.21

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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.