Home / 3,565.10-4,920.06-1,993.19

Finding the Fourth Proportional to 3,565.10, 4,920.06 and 1,993.19

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Solution

The fourth proportional to 3,565.10, 4,920.06 and 1,993.19 is: 2,750.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.10 : 4,920.06 = 1,993.19 : x
  2. Step 2: Convert to fraction form
    3,565.10/4,920.06 = 1,993.19/x
  3. Step 3: Cross multiply
    3,565.10x = 4,920.06 × 1,993.19
  4. Step 4: Simplify right side
    3,565.10x = 9,806,614.39
  5. Step 5: Solve for x
    x = 9,806,614.39/3,565.10
  6. Step 6: Final answer
    x = 2,750.73

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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.