Home / 5,220.14-7,203.74-2,862.29

Finding the Fourth Proportional to 5,220.14, 7,203.74 and 2,862.29

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Solution

The fourth proportional to 5,220.14, 7,203.74 and 2,862.29 is: 3,949.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.14 : 7,203.74 = 2,862.29 : x
  2. Step 2: Convert to fraction form
    5,220.14/7,203.74 = 2,862.29/x
  3. Step 3: Cross multiply
    5,220.14x = 7,203.74 × 2,862.29
  4. Step 4: Simplify right side
    5,220.14x = 20,619,196.66
  5. Step 5: Solve for x
    x = 20,619,196.66/5,220.14
  6. Step 6: Final answer
    x = 3,949.94

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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.