Home / 3,357.12-5,034.36-1,276.02

Finding the Fourth Proportional to 3,357.12, 5,034.36 and 1,276.02

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Solution

The fourth proportional to 3,357.12, 5,034.36 and 1,276.02 is: 1,913.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.12 : 5,034.36 = 1,276.02 : x
  2. Step 2: Convert to fraction form
    3,357.12/5,034.36 = 1,276.02/x
  3. Step 3: Cross multiply
    3,357.12x = 5,034.36 × 1,276.02
  4. Step 4: Simplify right side
    3,357.12x = 6,423,918.88
  5. Step 5: Solve for x
    x = 6,423,918.88/3,357.12
  6. Step 6: Final answer
    x = 1,913.52

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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.