Home / 5,545.23-7,653.12-3,187.32

Finding the Fourth Proportional to 5,545.23, 7,653.12 and 3,187.32

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Solution

The fourth proportional to 5,545.23, 7,653.12 and 3,187.32 is: 4,398.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.23 : 7,653.12 = 3,187.32 : x
  2. Step 2: Convert to fraction form
    5,545.23/7,653.12 = 3,187.32/x
  3. Step 3: Cross multiply
    5,545.23x = 7,653.12 × 3,187.32
  4. Step 4: Simplify right side
    5,545.23x = 24,392,942.44
  5. Step 5: Solve for x
    x = 24,392,942.44/5,545.23
  6. Step 6: Final answer
    x = 4,398.91

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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.