Home / 4,309.06-6,464.26-2,117.96

Finding the Fourth Proportional to 4,309.06, 6,464.26 and 2,117.96

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Solution

The fourth proportional to 4,309.06, 6,464.26 and 2,117.96 is: 3,177.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.06 : 6,464.26 = 2,117.96 : x
  2. Step 2: Convert to fraction form
    4,309.06/6,464.26 = 2,117.96/x
  3. Step 3: Cross multiply
    4,309.06x = 6,464.26 × 2,117.96
  4. Step 4: Simplify right side
    4,309.06x = 13,691,044.11
  5. Step 5: Solve for x
    x = 13,691,044.11/4,309.06
  6. Step 6: Final answer
    x = 3,177.27

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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.