Home / 5,230.18-7,217.47-3,740.59

Finding the Fourth Proportional to 5,230.18, 7,217.47 and 3,740.59

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Solution

The fourth proportional to 5,230.18, 7,217.47 and 3,740.59 is: 5,161.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.18 : 7,217.47 = 3,740.59 : x
  2. Step 2: Convert to fraction form
    5,230.18/7,217.47 = 3,740.59/x
  3. Step 3: Cross multiply
    5,230.18x = 7,217.47 × 3,740.59
  4. Step 4: Simplify right side
    5,230.18x = 26,997,569.21
  5. Step 5: Solve for x
    x = 26,997,569.21/5,230.18
  6. Step 6: Final answer
    x = 5,161.89

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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.