Home / 5,816.15-8,755.87-5,299.48

Finding the Fourth Proportional to 5,816.15, 8,755.87 and 5,299.48

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Solution

The fourth proportional to 5,816.15, 8,755.87 and 5,299.48 is: 7,978.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,816.15 : 8,755.87 = 5,299.48 : x
  2. Step 2: Convert to fraction form
    5,816.15/8,755.87 = 5,299.48/x
  3. Step 3: Cross multiply
    5,816.15x = 8,755.87 × 5,299.48
  4. Step 4: Simplify right side
    5,816.15x = 46,401,487.67
  5. Step 5: Solve for x
    x = 46,401,487.67/5,816.15
  6. Step 6: Final answer
    x = 7,978.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.