Home / 3,135.24-4,702.86-2,275.02

Finding the Fourth Proportional to 3,135.24, 4,702.86 and 2,275.02

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Solution

The fourth proportional to 3,135.24, 4,702.86 and 2,275.02 is: 3,412.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.24 : 4,702.86 = 2,275.02 : x
  2. Step 2: Convert to fraction form
    3,135.24/4,702.86 = 2,275.02/x
  3. Step 3: Cross multiply
    3,135.24x = 4,702.86 × 2,275.02
  4. Step 4: Simplify right side
    3,135.24x = 10,699,100.56
  5. Step 5: Solve for x
    x = 10,699,100.56/3,135.24
  6. Step 6: Final answer
    x = 3,412.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.