Home / 5,252.20-7,873.98-2,618.44

Finding the Fourth Proportional to 5,252.20, 7,873.98 and 2,618.44

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Solution

The fourth proportional to 5,252.20, 7,873.98 and 2,618.44 is: 3,925.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.20 : 7,873.98 = 2,618.44 : x
  2. Step 2: Convert to fraction form
    5,252.20/7,873.98 = 2,618.44/x
  3. Step 3: Cross multiply
    5,252.20x = 7,873.98 × 2,618.44
  4. Step 4: Simplify right side
    5,252.20x = 20,617,544.19
  5. Step 5: Solve for x
    x = 20,617,544.19/5,252.20
  6. Step 6: Final answer
    x = 3,925.51

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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.