Home / 6,579.16-9,079.76-3,747.40

Finding the Fourth Proportional to 6,579.16, 9,079.76 and 3,747.40

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Solution

The fourth proportional to 6,579.16, 9,079.76 and 3,747.40 is: 5,171.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.16 : 9,079.76 = 3,747.40 : x
  2. Step 2: Convert to fraction form
    6,579.16/9,079.76 = 3,747.40/x
  3. Step 3: Cross multiply
    6,579.16x = 9,079.76 × 3,747.40
  4. Step 4: Simplify right side
    6,579.16x = 34,025,492.62
  5. Step 5: Solve for x
    x = 34,025,492.62/6,579.16
  6. Step 6: Final answer
    x = 5,171.71

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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.