Home / 3,565.60-4,920.52-1,993.69

Finding the Fourth Proportional to 3,565.60, 4,920.52 and 1,993.69

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Solution

The fourth proportional to 3,565.60, 4,920.52 and 1,993.69 is: 2,751.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.60 : 4,920.52 = 1,993.69 : x
  2. Step 2: Convert to fraction form
    3,565.60/4,920.52 = 1,993.69/x
  3. Step 3: Cross multiply
    3,565.60x = 4,920.52 × 1,993.69
  4. Step 4: Simplify right side
    3,565.60x = 9,809,974.23
  5. Step 5: Solve for x
    x = 9,809,974.23/3,565.60
  6. Step 6: Final answer
    x = 2,751.28

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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.