Home / 3,807.87-5,243.18-3,333.11

Finding the Fourth Proportional to 3,807.87, 5,243.18 and 3,333.11

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Solution

The fourth proportional to 3,807.87, 5,243.18 and 3,333.11 is: 4,589.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807.87 : 5,243.18 = 3,333.11 : x
  2. Step 2: Convert to fraction form
    3,807.87/5,243.18 = 3,333.11/x
  3. Step 3: Cross multiply
    3,807.87x = 5,243.18 × 3,333.11
  4. Step 4: Simplify right side
    3,807.87x = 17,476,129.86
  5. Step 5: Solve for x
    x = 17,476,129.86/3,807.87
  6. Step 6: Final answer
    x = 4,589.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.