Home / 3,565.58-4,920.48-1,993.68

Finding the Fourth Proportional to 3,565.58, 4,920.48 and 1,993.68

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Solution

The fourth proportional to 3,565.58, 4,920.48 and 1,993.68 is: 2,751.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.58 : 4,920.48 = 1,993.68 : x
  2. Step 2: Convert to fraction form
    3,565.58/4,920.48 = 1,993.68/x
  3. Step 3: Cross multiply
    3,565.58x = 4,920.48 × 1,993.68
  4. Step 4: Simplify right side
    3,565.58x = 9,809,862.57
  5. Step 5: Solve for x
    x = 9,809,862.57/3,565.58
  6. Step 6: Final answer
    x = 2,751.27

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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.