Home / 5,883.17-8,120.33-3,643.78

Finding the Fourth Proportional to 5,883.17, 8,120.33 and 3,643.78

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Solution

The fourth proportional to 5,883.17, 8,120.33 and 3,643.78 is: 5,029.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,883.17 : 8,120.33 = 3,643.78 : x
  2. Step 2: Convert to fraction form
    5,883.17/8,120.33 = 3,643.78/x
  3. Step 3: Cross multiply
    5,883.17x = 8,120.33 × 3,643.78
  4. Step 4: Simplify right side
    5,883.17x = 29,588,655.45
  5. Step 5: Solve for x
    x = 29,588,655.45/5,883.17
  6. Step 6: Final answer
    x = 5,029.37

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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.