Home / 5,587.44-7,711.40-3,230.32

Finding the Fourth Proportional to 5,587.44, 7,711.40 and 3,230.32

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Solution

The fourth proportional to 5,587.44, 7,711.40 and 3,230.32 is: 4,458.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.44 : 7,711.40 = 3,230.32 : x
  2. Step 2: Convert to fraction form
    5,587.44/7,711.40 = 3,230.32/x
  3. Step 3: Cross multiply
    5,587.44x = 7,711.40 × 3,230.32
  4. Step 4: Simplify right side
    5,587.44x = 24,910,289.65
  5. Step 5: Solve for x
    x = 24,910,289.65/5,587.44
  6. Step 6: Final answer
    x = 4,458.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.