Home / 7,740.17-10,690.22-5,217.94

Finding the Fourth Proportional to 7,740.17, 10,690.22 and 5,217.94

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Solution

The fourth proportional to 7,740.17, 10,690.22 and 5,217.94 is: 7,206.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.17 : 10,690.22 = 5,217.94 : x
  2. Step 2: Convert to fraction form
    7,740.17/10,690.22 = 5,217.94/x
  3. Step 3: Cross multiply
    7,740.17x = 10,690.22 × 5,217.94
  4. Step 4: Simplify right side
    7,740.17x = 55,780,926.55
  5. Step 5: Solve for x
    x = 55,780,926.55/7,740.17
  6. Step 6: Final answer
    x = 7,206.68

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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.