Home / 3,565.03-4,919.75-1,993.12

Finding the Fourth Proportional to 3,565.03, 4,919.75 and 1,993.12

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Solution

The fourth proportional to 3,565.03, 4,919.75 and 1,993.12 is: 2,750.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.03 : 4,919.75 = 1,993.12 : x
  2. Step 2: Convert to fraction form
    3,565.03/4,919.75 = 1,993.12/x
  3. Step 3: Cross multiply
    3,565.03x = 4,919.75 × 1,993.12
  4. Step 4: Simplify right side
    3,565.03x = 9,805,629.86
  5. Step 5: Solve for x
    x = 9,805,629.86/3,565.03
  6. Step 6: Final answer
    x = 2,750.51

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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.