Home / 6,151.52-8,491.28-3,633.64

Finding the Fourth Proportional to 6,151.52, 8,491.28 and 3,633.64

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Solution

The fourth proportional to 6,151.52, 8,491.28 and 3,633.64 is: 5,015.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151.52 : 8,491.28 = 3,633.64 : x
  2. Step 2: Convert to fraction form
    6,151.52/8,491.28 = 3,633.64/x
  3. Step 3: Cross multiply
    6,151.52x = 8,491.28 × 3,633.64
  4. Step 4: Simplify right side
    6,151.52x = 30,854,242.52
  5. Step 5: Solve for x
    x = 30,854,242.52/6,151.52
  6. Step 6: Final answer
    x = 5,015.71

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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.