Home / 5,249.18-7,243.90-3,153.32

Finding the Fourth Proportional to 5,249.18, 7,243.90 and 3,153.32

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Solution

The fourth proportional to 5,249.18, 7,243.90 and 3,153.32 is: 4,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.18 : 7,243.90 = 3,153.32 : x
  2. Step 2: Convert to fraction form
    5,249.18/7,243.90 = 3,153.32/x
  3. Step 3: Cross multiply
    5,249.18x = 7,243.90 × 3,153.32
  4. Step 4: Simplify right side
    5,249.18x = 22,842,334.75
  5. Step 5: Solve for x
    x = 22,842,334.75/5,249.18
  6. Step 6: Final answer
    x = 4,351.60

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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.