Home / 3,332.55-4,999.38-1,384.90

Finding the Fourth Proportional to 3,332.55, 4,999.38 and 1,384.90

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Solution

The fourth proportional to 3,332.55, 4,999.38 and 1,384.90 is: 2,077.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332.55 : 4,999.38 = 1,384.90 : x
  2. Step 2: Convert to fraction form
    3,332.55/4,999.38 = 1,384.90/x
  3. Step 3: Cross multiply
    3,332.55x = 4,999.38 × 1,384.90
  4. Step 4: Simplify right side
    3,332.55x = 6,923,641.36
  5. Step 5: Solve for x
    x = 6,923,641.36/3,332.55
  6. Step 6: Final answer
    x = 2,077.58

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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.