Home / 7,045.91-10,568.84-2,115.54

Finding the Fourth Proportional to 7,045.91, 10,568.84 and 2,115.54

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Solution

The fourth proportional to 7,045.91, 10,568.84 and 2,115.54 is: 3,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.91 : 10,568.84 = 2,115.54 : x
  2. Step 2: Convert to fraction form
    7,045.91/10,568.84 = 2,115.54/x
  3. Step 3: Cross multiply
    7,045.91x = 10,568.84 × 2,115.54
  4. Step 4: Simplify right side
    7,045.91x = 22,358,793.20
  5. Step 5: Solve for x
    x = 22,358,793.20/7,045.91
  6. Step 6: Final answer
    x = 3,173.30

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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.