Home / 7,049.18-10,570.56-2,117.85

Finding the Fourth Proportional to 7,049.18, 10,570.56 and 2,117.85

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Solution

The fourth proportional to 7,049.18, 10,570.56 and 2,117.85 is: 3,175.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,049.18 : 10,570.56 = 2,117.85 : x
  2. Step 2: Convert to fraction form
    7,049.18/10,570.56 = 2,117.85/x
  3. Step 3: Cross multiply
    7,049.18x = 10,570.56 × 2,117.85
  4. Step 4: Simplify right side
    7,049.18x = 22,386,860.50
  5. Step 5: Solve for x
    x = 22,386,860.50/7,049.18
  6. Step 6: Final answer
    x = 3,175.81

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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.