Home / 4,672.53-6,456.65-3,102.75

Finding the Fourth Proportional to 4,672.53, 6,456.65 and 3,102.75

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Solution

The fourth proportional to 4,672.53, 6,456.65 and 3,102.75 is: 4,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.53 : 6,456.65 = 3,102.75 : x
  2. Step 2: Convert to fraction form
    4,672.53/6,456.65 = 3,102.75/x
  3. Step 3: Cross multiply
    4,672.53x = 6,456.65 × 3,102.75
  4. Step 4: Simplify right side
    4,672.53x = 20,033,355.27
  5. Step 5: Solve for x
    x = 20,033,355.27/4,672.53
  6. Step 6: Final answer
    x = 4,287.47

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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.