Home / 3,707.60-5,115.60-2,383.11

Finding the Fourth Proportional to 3,707.60, 5,115.60 and 2,383.11

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Solution

The fourth proportional to 3,707.60, 5,115.60 and 2,383.11 is: 3,288.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.60 : 5,115.60 = 2,383.11 : x
  2. Step 2: Convert to fraction form
    3,707.60/5,115.60 = 2,383.11/x
  3. Step 3: Cross multiply
    3,707.60x = 5,115.60 × 2,383.11
  4. Step 4: Simplify right side
    3,707.60x = 12,191,037.52
  5. Step 5: Solve for x
    x = 12,191,037.52/3,707.60
  6. Step 6: Final answer
    x = 3,288.13

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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.