Home / 5,217.24-7,821.54-2,623.08

Finding the Fourth Proportional to 5,217.24, 7,821.54 and 2,623.08

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Solution

The fourth proportional to 5,217.24, 7,821.54 and 2,623.08 is: 3,932.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.24 : 7,821.54 = 2,623.08 : x
  2. Step 2: Convert to fraction form
    5,217.24/7,821.54 = 2,623.08/x
  3. Step 3: Cross multiply
    5,217.24x = 7,821.54 × 2,623.08
  4. Step 4: Simplify right side
    5,217.24x = 20,516,525.14
  5. Step 5: Solve for x
    x = 20,516,525.14/5,217.24
  6. Step 6: Final answer
    x = 3,932.45

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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.