Home / 5,621.48-7,757.54-3,103.54

Finding the Fourth Proportional to 5,621.48, 7,757.54 and 3,103.54

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Solution

The fourth proportional to 5,621.48, 7,757.54 and 3,103.54 is: 4,282.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.48 : 7,757.54 = 3,103.54 : x
  2. Step 2: Convert to fraction form
    5,621.48/7,757.54 = 3,103.54/x
  3. Step 3: Cross multiply
    5,621.48x = 7,757.54 × 3,103.54
  4. Step 4: Simplify right side
    5,621.48x = 24,075,821.15
  5. Step 5: Solve for x
    x = 24,075,821.15/5,621.48
  6. Step 6: Final answer
    x = 4,282.82

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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.