Home / 3,565.14-4,920.12-1,993.34

Finding the Fourth Proportional to 3,565.14, 4,920.12 and 1,993.34

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Solution

The fourth proportional to 3,565.14, 4,920.12 and 1,993.34 is: 2,750.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.14 : 4,920.12 = 1,993.34 : x
  2. Step 2: Convert to fraction form
    3,565.14/4,920.12 = 1,993.34/x
  3. Step 3: Cross multiply
    3,565.14x = 4,920.12 × 1,993.34
  4. Step 4: Simplify right side
    3,565.14x = 9,807,447.40
  5. Step 5: Solve for x
    x = 9,807,447.40/3,565.14
  6. Step 6: Final answer
    x = 2,750.93

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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.