Home / 5,740.42-7,926.29-3,724.80

Finding the Fourth Proportional to 5,740.42, 7,926.29 and 3,724.80

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Solution

The fourth proportional to 5,740.42, 7,926.29 and 3,724.80 is: 5,143.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.42 : 7,926.29 = 3,724.80 : x
  2. Step 2: Convert to fraction form
    5,740.42/7,926.29 = 3,724.80/x
  3. Step 3: Cross multiply
    5,740.42x = 7,926.29 × 3,724.80
  4. Step 4: Simplify right side
    5,740.42x = 29,523,855.20
  5. Step 5: Solve for x
    x = 29,523,855.20/5,740.42
  6. Step 6: Final answer
    x = 5,143.15

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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.