Home / 3,615.77-4,990.68-2,359.96

Finding the Fourth Proportional to 3,615.77, 4,990.68 and 2,359.96

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Solution

The fourth proportional to 3,615.77, 4,990.68 and 2,359.96 is: 3,257.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.77 : 4,990.68 = 2,359.96 : x
  2. Step 2: Convert to fraction form
    3,615.77/4,990.68 = 2,359.96/x
  3. Step 3: Cross multiply
    3,615.77x = 4,990.68 × 2,359.96
  4. Step 4: Simplify right side
    3,615.77x = 11,777,792.70
  5. Step 5: Solve for x
    x = 11,777,792.70/3,615.77
  6. Step 6: Final answer
    x = 3,257.34

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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.