Home / 3,672.32-5,505.20-2,356.45

Finding the Fourth Proportional to 3,672.32, 5,505.20 and 2,356.45

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Solution

The fourth proportional to 3,672.32, 5,505.20 and 2,356.45 is: 3,532.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.32 : 5,505.20 = 2,356.45 : x
  2. Step 2: Convert to fraction form
    3,672.32/5,505.20 = 2,356.45/x
  3. Step 3: Cross multiply
    3,672.32x = 5,505.20 × 2,356.45
  4. Step 4: Simplify right side
    3,672.32x = 12,972,701.01
  5. Step 5: Solve for x
    x = 12,972,701.01/3,672.32
  6. Step 6: Final answer
    x = 3,532.57

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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.