Home / 5,570.57-8,357.25-3,930.32

Finding the Fourth Proportional to 5,570.57, 8,357.25 and 3,930.32

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Solution

The fourth proportional to 5,570.57, 8,357.25 and 3,930.32 is: 5,896.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.57 : 8,357.25 = 3,930.32 : x
  2. Step 2: Convert to fraction form
    5,570.57/8,357.25 = 3,930.32/x
  3. Step 3: Cross multiply
    5,570.57x = 8,357.25 × 3,930.32
  4. Step 4: Simplify right side
    5,570.57x = 32,846,691.40
  5. Step 5: Solve for x
    x = 32,846,691.40/5,570.57
  6. Step 6: Final answer
    x = 5,896.47

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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.