Home / 5,981.80-8,968.86-2,518.12

Finding the Fourth Proportional to 5,981.80, 8,968.86 and 2,518.12

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Solution

The fourth proportional to 5,981.80, 8,968.86 and 2,518.12 is: 3,775.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.80 : 8,968.86 = 2,518.12 : x
  2. Step 2: Convert to fraction form
    5,981.80/8,968.86 = 2,518.12/x
  3. Step 3: Cross multiply
    5,981.80x = 8,968.86 × 2,518.12
  4. Step 4: Simplify right side
    5,981.80x = 22,584,665.74
  5. Step 5: Solve for x
    x = 22,584,665.74/5,981.80
  6. Step 6: Final answer
    x = 3,775.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.