Home / 4,066.38-5,603.58-2,885.40

Finding the Fourth Proportional to 4,066.38, 5,603.58 and 2,885.40

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Solution

The fourth proportional to 4,066.38, 5,603.58 and 2,885.40 is: 3,976.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,066.38 : 5,603.58 = 2,885.40 : x
  2. Step 2: Convert to fraction form
    4,066.38/5,603.58 = 2,885.40/x
  3. Step 3: Cross multiply
    4,066.38x = 5,603.58 × 2,885.40
  4. Step 4: Simplify right side
    4,066.38x = 16,168,569.73
  5. Step 5: Solve for x
    x = 16,168,569.73/4,066.38
  6. Step 6: Final answer
    x = 3,976.16

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Half scale
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Double scale
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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.