Home / 6,475.92-9,714.96-3,189.32

Finding the Fourth Proportional to 6,475.92, 9,714.96 and 3,189.32

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Solution

The fourth proportional to 6,475.92, 9,714.96 and 3,189.32 is: 4,784.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.92 : 9,714.96 = 3,189.32 : x
  2. Step 2: Convert to fraction form
    6,475.92/9,714.96 = 3,189.32/x
  3. Step 3: Cross multiply
    6,475.92x = 9,714.96 × 3,189.32
  4. Step 4: Simplify right side
    6,475.92x = 30,984,116.23
  5. Step 5: Solve for x
    x = 30,984,116.23/6,475.92
  6. Step 6: Final answer
    x = 4,784.51

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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.