Home / 5,079.18-7,621.38-3,846.18

Finding the Fourth Proportional to 5,079.18, 7,621.38 and 3,846.18

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Solution

The fourth proportional to 5,079.18, 7,621.38 and 3,846.18 is: 5,771.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.18 : 7,621.38 = 3,846.18 : x
  2. Step 2: Convert to fraction form
    5,079.18/7,621.38 = 3,846.18/x
  3. Step 3: Cross multiply
    5,079.18x = 7,621.38 × 3,846.18
  4. Step 4: Simplify right side
    5,079.18x = 29,313,199.33
  5. Step 5: Solve for x
    x = 29,313,199.33/5,079.18
  6. Step 6: Final answer
    x = 5,771.25

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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.