Home / 2,079.41-3,120.36-846.73

Finding the Fourth Proportional to 2,079.41, 3,120.36 and 846.73

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Solution

The fourth proportional to 2,079.41, 3,120.36 and 846.73 is: 1,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.41 : 3,120.36 = 846.73 : x
  2. Step 2: Convert to fraction form
    2,079.41/3,120.36 = 846.73/x
  3. Step 3: Cross multiply
    2,079.41x = 3,120.36 × 846.73
  4. Step 4: Simplify right side
    2,079.41x = 2,642,102.42
  5. Step 5: Solve for x
    x = 2,642,102.42/2,079.41
  6. Step 6: Final answer
    x = 1,270.60

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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.