Home / 5,634.42-7,775.56-3,116.54

Finding the Fourth Proportional to 5,634.42, 7,775.56 and 3,116.54

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Solution

The fourth proportional to 5,634.42, 7,775.56 and 3,116.54 is: 4,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,634.42 : 7,775.56 = 3,116.54 : x
  2. Step 2: Convert to fraction form
    5,634.42/7,775.56 = 3,116.54/x
  3. Step 3: Cross multiply
    5,634.42x = 7,775.56 × 3,116.54
  4. Step 4: Simplify right side
    5,634.42x = 24,232,797.09
  5. Step 5: Solve for x
    x = 24,232,797.09/5,634.42
  6. Step 6: Final answer
    x = 4,300.85

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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.