Home / 5,222.54-7,207.56-2,865.13

Finding the Fourth Proportional to 5,222.54, 7,207.56 and 2,865.13

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Solution

The fourth proportional to 5,222.54, 7,207.56 and 2,865.13 is: 3,954.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.54 : 7,207.56 = 2,865.13 : x
  2. Step 2: Convert to fraction form
    5,222.54/7,207.56 = 2,865.13/x
  3. Step 3: Cross multiply
    5,222.54x = 7,207.56 × 2,865.13
  4. Step 4: Simplify right side
    5,222.54x = 20,650,578.36
  5. Step 5: Solve for x
    x = 20,650,578.36/5,222.54
  6. Step 6: Final answer
    x = 3,954.12

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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.