Home / 2,981.16-4,104.15-2,536.50

Finding the Fourth Proportional to 2,981.16, 4,104.15 and 2,536.50

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Solution

The fourth proportional to 2,981.16, 4,104.15 and 2,536.50 is: 3,491.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.16 : 4,104.15 = 2,536.50 : x
  2. Step 2: Convert to fraction form
    2,981.16/4,104.15 = 2,536.50/x
  3. Step 3: Cross multiply
    2,981.16x = 4,104.15 × 2,536.50
  4. Step 4: Simplify right side
    2,981.16x = 10,410,176.48
  5. Step 5: Solve for x
    x = 10,410,176.48/2,981.16
  6. Step 6: Final answer
    x = 3,491.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.