Home / 4,742.52-6,544.76-3,151.86

Finding the Fourth Proportional to 4,742.52, 6,544.76 and 3,151.86

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Solution

The fourth proportional to 4,742.52, 6,544.76 and 3,151.86 is: 4,349.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.52 : 6,544.76 = 3,151.86 : x
  2. Step 2: Convert to fraction form
    4,742.52/6,544.76 = 3,151.86/x
  3. Step 3: Cross multiply
    4,742.52x = 6,544.76 × 3,151.86
  4. Step 4: Simplify right side
    4,742.52x = 20,628,151.49
  5. Step 5: Solve for x
    x = 20,628,151.49/4,742.52
  6. Step 6: Final answer
    x = 4,349.62

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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.