Home / 6,119.62-8,445.06-3,325.12

Finding the Fourth Proportional to 6,119.62, 8,445.06 and 3,325.12

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Solution

The fourth proportional to 6,119.62, 8,445.06 and 3,325.12 is: 4,588.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.62 : 8,445.06 = 3,325.12 : x
  2. Step 2: Convert to fraction form
    6,119.62/8,445.06 = 3,325.12/x
  3. Step 3: Cross multiply
    6,119.62x = 8,445.06 × 3,325.12
  4. Step 4: Simplify right side
    6,119.62x = 28,080,837.91
  5. Step 5: Solve for x
    x = 28,080,837.91/6,119.62
  6. Step 6: Final answer
    x = 4,588.66

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1.5x scale

Why These Related Problems?

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