Home / 6,079.40-9,119.10-3,314.60

Finding the Fourth Proportional to 6,079.40, 9,119.10 and 3,314.60

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Solution

The fourth proportional to 6,079.40, 9,119.10 and 3,314.60 is: 4,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,079.40 : 9,119.10 = 3,314.60 : x
  2. Step 2: Convert to fraction form
    6,079.40/9,119.10 = 3,314.60/x
  3. Step 3: Cross multiply
    6,079.40x = 9,119.10 × 3,314.60
  4. Step 4: Simplify right side
    6,079.40x = 30,226,168.86
  5. Step 5: Solve for x
    x = 30,226,168.86/6,079.40
  6. Step 6: Final answer
    x = 4,971.90

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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.