Home / 5,857.77-8,081.46-3,615.75

Finding the Fourth Proportional to 5,857.77, 8,081.46 and 3,615.75

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Solution

The fourth proportional to 5,857.77, 8,081.46 and 3,615.75 is: 4,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,857.77 : 8,081.46 = 3,615.75 : x
  2. Step 2: Convert to fraction form
    5,857.77/8,081.46 = 3,615.75/x
  3. Step 3: Cross multiply
    5,857.77x = 8,081.46 × 3,615.75
  4. Step 4: Simplify right side
    5,857.77x = 29,220,539.00
  5. Step 5: Solve for x
    x = 29,220,539.00/5,857.77
  6. Step 6: Final answer
    x = 4,988.34

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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.