Home / 2,037.43-2,811.45-1,153.18

Finding the Fourth Proportional to 2,037.43, 2,811.45 and 1,153.18

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Solution

The fourth proportional to 2,037.43, 2,811.45 and 1,153.18 is: 1,591.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.43 : 2,811.45 = 1,153.18 : x
  2. Step 2: Convert to fraction form
    2,037.43/2,811.45 = 1,153.18/x
  3. Step 3: Cross multiply
    2,037.43x = 2,811.45 × 1,153.18
  4. Step 4: Simplify right side
    2,037.43x = 3,242,107.91
  5. Step 5: Solve for x
    x = 3,242,107.91/2,037.43
  6. Step 6: Final answer
    x = 1,591.27

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Half scale
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Double scale
Find fourth proportional to 2,038.43, 2,812.83 and 1,154.18
Similar ratio
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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.