Home / 5,545.07-7,644.90-4,270.38

Finding the Fourth Proportional to 5,545.07, 7,644.90 and 4,270.38

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Solution

The fourth proportional to 5,545.07, 7,644.90 and 4,270.38 is: 5,887.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.07 : 7,644.90 = 4,270.38 : x
  2. Step 2: Convert to fraction form
    5,545.07/7,644.90 = 4,270.38/x
  3. Step 3: Cross multiply
    5,545.07x = 7,644.90 × 4,270.38
  4. Step 4: Simplify right side
    5,545.07x = 32,646,628.06
  5. Step 5: Solve for x
    x = 32,646,628.06/5,545.07
  6. Step 6: Final answer
    x = 5,887.51

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Half scale
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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.