Home / 5,217.08-7,199.70-2,859.44

Finding the Fourth Proportional to 5,217.08, 7,199.70 and 2,859.44

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Solution

The fourth proportional to 5,217.08, 7,199.70 and 2,859.44 is: 3,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.08 : 7,199.70 = 2,859.44 : x
  2. Step 2: Convert to fraction form
    5,217.08/7,199.70 = 2,859.44/x
  3. Step 3: Cross multiply
    5,217.08x = 7,199.70 × 2,859.44
  4. Step 4: Simplify right side
    5,217.08x = 20,587,110.17
  5. Step 5: Solve for x
    x = 20,587,110.17/5,217.08
  6. Step 6: Final answer
    x = 3,946.10

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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.