Home / 2,037.29-2,811.38-1,153.07

Finding the Fourth Proportional to 2,037.29, 2,811.38 and 1,153.07

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Solution

The fourth proportional to 2,037.29, 2,811.38 and 1,153.07 is: 1,591.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.29 : 2,811.38 = 1,153.07 : x
  2. Step 2: Convert to fraction form
    2,037.29/2,811.38 = 1,153.07/x
  3. Step 3: Cross multiply
    2,037.29x = 2,811.38 × 1,153.07
  4. Step 4: Simplify right side
    2,037.29x = 3,241,715.14
  5. Step 5: Solve for x
    x = 3,241,715.14/2,037.29
  6. Step 6: Final answer
    x = 1,591.19

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Half scale
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Double scale
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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.