Home / 5,585.78-8,376.65-2,074.97

Finding the Fourth Proportional to 5,585.78, 8,376.65 and 2,074.97

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Solution

The fourth proportional to 5,585.78, 8,376.65 and 2,074.97 is: 3,111.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.78 : 8,376.65 = 2,074.97 : x
  2. Step 2: Convert to fraction form
    5,585.78/8,376.65 = 2,074.97/x
  3. Step 3: Cross multiply
    5,585.78x = 8,376.65 × 2,074.97
  4. Step 4: Simplify right side
    5,585.78x = 17,381,315.80
  5. Step 5: Solve for x
    x = 17,381,315.80/5,585.78
  6. Step 6: Final answer
    x = 3,111.71

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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.