Home / 5,230.12-7,217.39-3,740.53

Finding the Fourth Proportional to 5,230.12, 7,217.39 and 3,740.53

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Solution

The fourth proportional to 5,230.12, 7,217.39 and 3,740.53 is: 5,161.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.12 : 7,217.39 = 3,740.53 : x
  2. Step 2: Convert to fraction form
    5,230.12/7,217.39 = 3,740.53/x
  3. Step 3: Cross multiply
    5,230.12x = 7,217.39 × 3,740.53
  4. Step 4: Simplify right side
    5,230.12x = 26,996,809.03
  5. Step 5: Solve for x
    x = 26,996,809.03/5,230.12
  6. Step 6: Final answer
    x = 5,161.80

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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.