Home / 5,634.55-7,775.64-3,150.55

Finding the Fourth Proportional to 5,634.55, 7,775.64 and 3,150.55

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Solution

The fourth proportional to 5,634.55, 7,775.64 and 3,150.55 is: 4,347.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,634.55 : 7,775.64 = 3,150.55 : x
  2. Step 2: Convert to fraction form
    5,634.55/7,775.64 = 3,150.55/x
  3. Step 3: Cross multiply
    5,634.55x = 7,775.64 × 3,150.55
  4. Step 4: Simplify right side
    5,634.55x = 24,497,542.60
  5. Step 5: Solve for x
    x = 24,497,542.60/5,634.55
  6. Step 6: Final answer
    x = 4,347.74

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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.