Home / 5,217.01-7,199.48-2,859.30

Finding the Fourth Proportional to 5,217.01, 7,199.48 and 2,859.30

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Solution

The fourth proportional to 5,217.01, 7,199.48 and 2,859.30 is: 3,945.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.01 : 7,199.48 = 2,859.30 : x
  2. Step 2: Convert to fraction form
    5,217.01/7,199.48 = 2,859.30/x
  3. Step 3: Cross multiply
    5,217.01x = 7,199.48 × 2,859.30
  4. Step 4: Simplify right side
    5,217.01x = 20,585,480.31
  5. Step 5: Solve for x
    x = 20,585,480.31/5,217.01
  6. Step 6: Final answer
    x = 3,945.84

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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.