Home / 5,230.32-7,841.16-3,582.78

Finding the Fourth Proportional to 5,230.32, 7,841.16 and 3,582.78

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Solution

The fourth proportional to 5,230.32, 7,841.16 and 3,582.78 is: 5,371.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.32 : 7,841.16 = 3,582.78 : x
  2. Step 2: Convert to fraction form
    5,230.32/7,841.16 = 3,582.78/x
  3. Step 3: Cross multiply
    5,230.32x = 7,841.16 × 3,582.78
  4. Step 4: Simplify right side
    5,230.32x = 28,093,151.22
  5. Step 5: Solve for x
    x = 28,093,151.22/5,230.32
  6. Step 6: Final answer
    x = 5,371.21

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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.