Home / 5,220.05-7,203.87-2,862.27

Finding the Fourth Proportional to 5,220.05, 7,203.87 and 2,862.27

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Solution

The fourth proportional to 5,220.05, 7,203.87 and 2,862.27 is: 3,950.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.05 : 7,203.87 = 2,862.27 : x
  2. Step 2: Convert to fraction form
    5,220.05/7,203.87 = 2,862.27/x
  3. Step 3: Cross multiply
    5,220.05x = 7,203.87 × 2,862.27
  4. Step 4: Simplify right side
    5,220.05x = 20,619,420.98
  5. Step 5: Solve for x
    x = 20,619,420.98/5,220.05
  6. Step 6: Final answer
    x = 3,950.05

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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.