Home / 4,116.32-6,165.12-3,425.12

Finding the Fourth Proportional to 4,116.32, 6,165.12 and 3,425.12

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Solution

The fourth proportional to 4,116.32, 6,165.12 and 3,425.12 is: 5,129.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,116.32 : 6,165.12 = 3,425.12 : x
  2. Step 2: Convert to fraction form
    4,116.32/6,165.12 = 3,425.12/x
  3. Step 3: Cross multiply
    4,116.32x = 6,165.12 × 3,425.12
  4. Step 4: Simplify right side
    4,116.32x = 21,116,275.81
  5. Step 5: Solve for x
    x = 21,116,275.81/4,116.32
  6. Step 6: Final answer
    x = 5,129.89

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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.