Home / 5,022.80-7,534.88-2,100.42

Finding the Fourth Proportional to 5,022.80, 7,534.88 and 2,100.42

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Solution

The fourth proportional to 5,022.80, 7,534.88 and 2,100.42 is: 3,150.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.80 : 7,534.88 = 2,100.42 : x
  2. Step 2: Convert to fraction form
    5,022.80/7,534.88 = 2,100.42/x
  3. Step 3: Cross multiply
    5,022.80x = 7,534.88 × 2,100.42
  4. Step 4: Simplify right side
    5,022.80x = 15,826,417.90
  5. Step 5: Solve for x
    x = 15,826,417.90/5,022.80
  6. Step 6: Final answer
    x = 3,150.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.