Home / 5,222.51-7,832.85-2,589.15

Finding the Fourth Proportional to 5,222.51, 7,832.85 and 2,589.15

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Solution

The fourth proportional to 5,222.51, 7,832.85 and 2,589.15 is: 3,883.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.51 : 7,832.85 = 2,589.15 : x
  2. Step 2: Convert to fraction form
    5,222.51/7,832.85 = 2,589.15/x
  3. Step 3: Cross multiply
    5,222.51x = 7,832.85 × 2,589.15
  4. Step 4: Simplify right side
    5,222.51x = 20,280,423.58
  5. Step 5: Solve for x
    x = 20,280,423.58/5,222.51
  6. Step 6: Final answer
    x = 3,883.28

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1.5x scale

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.