Home / 5,565.69-8,348.51-2,278.79

Finding the Fourth Proportional to 5,565.69, 8,348.51 and 2,278.79

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Solution

The fourth proportional to 5,565.69, 8,348.51 and 2,278.79 is: 3,418.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.69 : 8,348.51 = 2,278.79 : x
  2. Step 2: Convert to fraction form
    5,565.69/8,348.51 = 2,278.79/x
  3. Step 3: Cross multiply
    5,565.69x = 8,348.51 × 2,278.79
  4. Step 4: Simplify right side
    5,565.69x = 19,024,447.97
  5. Step 5: Solve for x
    x = 19,024,447.97/5,565.69
  6. Step 6: Final answer
    x = 3,418.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.