Home / 5,242.16-7,233.84-2,883.80

Finding the Fourth Proportional to 5,242.16, 7,233.84 and 2,883.80

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Solution

The fourth proportional to 5,242.16, 7,233.84 and 2,883.80 is: 3,979.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.16 : 7,233.84 = 2,883.80 : x
  2. Step 2: Convert to fraction form
    5,242.16/7,233.84 = 2,883.80/x
  3. Step 3: Cross multiply
    5,242.16x = 7,233.84 × 2,883.80
  4. Step 4: Simplify right side
    5,242.16x = 20,860,947.79
  5. Step 5: Solve for x
    x = 20,860,947.79/5,242.16
  6. Step 6: Final answer
    x = 3,979.46

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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.