Home / 6,231.20-9,345.72-2,071.04

Finding the Fourth Proportional to 6,231.20, 9,345.72 and 2,071.04

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Solution

The fourth proportional to 6,231.20, 9,345.72 and 2,071.04 is: 3,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.20 : 9,345.72 = 2,071.04 : x
  2. Step 2: Convert to fraction form
    6,231.20/9,345.72 = 2,071.04/x
  3. Step 3: Cross multiply
    6,231.20x = 9,345.72 × 2,071.04
  4. Step 4: Simplify right side
    6,231.20x = 19,355,359.95
  5. Step 5: Solve for x
    x = 19,355,359.95/6,231.20
  6. Step 6: Final answer
    x = 3,106.20

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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.