Home / 5,545.72-7,653.04-3,187.88

Finding the Fourth Proportional to 5,545.72, 7,653.04 and 3,187.88

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Solution

The fourth proportional to 5,545.72, 7,653.04 and 3,187.88 is: 4,399.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.72 : 7,653.04 = 3,187.88 : x
  2. Step 2: Convert to fraction form
    5,545.72/7,653.04 = 3,187.88/x
  3. Step 3: Cross multiply
    5,545.72x = 7,653.04 × 3,187.88
  4. Step 4: Simplify right side
    5,545.72x = 24,396,973.16
  5. Step 5: Solve for x
    x = 24,396,973.16/5,545.72
  6. Step 6: Final answer
    x = 4,399.24

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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.