Home / 3,362.40-5,044.32-1,415.52

Finding the Fourth Proportional to 3,362.40, 5,044.32 and 1,415.52

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Solution

The fourth proportional to 3,362.40, 5,044.32 and 1,415.52 is: 2,123.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.40 : 5,044.32 = 1,415.52 : x
  2. Step 2: Convert to fraction form
    3,362.40/5,044.32 = 1,415.52/x
  3. Step 3: Cross multiply
    3,362.40x = 5,044.32 × 1,415.52
  4. Step 4: Simplify right side
    3,362.40x = 7,140,335.85
  5. Step 5: Solve for x
    x = 7,140,335.85/3,362.40
  6. Step 6: Final answer
    x = 2,123.58

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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.