Home / 2,932.20-4,403.34-1,615.32

Finding the Fourth Proportional to 2,932.20, 4,403.34 and 1,615.32

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Solution

The fourth proportional to 2,932.20, 4,403.34 and 1,615.32 is: 2,425.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.20 : 4,403.34 = 1,615.32 : x
  2. Step 2: Convert to fraction form
    2,932.20/4,403.34 = 1,615.32/x
  3. Step 3: Cross multiply
    2,932.20x = 4,403.34 × 1,615.32
  4. Step 4: Simplify right side
    2,932.20x = 7,112,803.17
  5. Step 5: Solve for x
    x = 7,112,803.17/2,932.20
  6. Step 6: Final answer
    x = 2,425.76

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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.