Home / 5,232.39-7,220.70-2,874.68

Finding the Fourth Proportional to 5,232.39, 7,220.70 and 2,874.68

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Solution

The fourth proportional to 5,232.39, 7,220.70 and 2,874.68 is: 3,967.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.39 : 7,220.70 = 2,874.68 : x
  2. Step 2: Convert to fraction form
    5,232.39/7,220.70 = 2,874.68/x
  3. Step 3: Cross multiply
    5,232.39x = 7,220.70 × 2,874.68
  4. Step 4: Simplify right side
    5,232.39x = 20,757,165.77
  5. Step 5: Solve for x
    x = 20,757,165.77/5,232.39
  6. Step 6: Final answer
    x = 3,967.05

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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.