Home / 5,217.37-7,199.91-2,859.51

Finding the Fourth Proportional to 5,217.37, 7,199.91 and 2,859.51

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Solution

The fourth proportional to 5,217.37, 7,199.91 and 2,859.51 is: 3,946.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.37 : 7,199.91 = 2,859.51 : x
  2. Step 2: Convert to fraction form
    5,217.37/7,199.91 = 2,859.51/x
  3. Step 3: Cross multiply
    5,217.37x = 7,199.91 × 2,859.51
  4. Step 4: Simplify right side
    5,217.37x = 20,588,214.64
  5. Step 5: Solve for x
    x = 20,588,214.64/5,217.37
  6. Step 6: Final answer
    x = 3,946.09

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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.