Home / 4,018.65-5,545.78-2,425.38

Finding the Fourth Proportional to 4,018.65, 5,545.78 and 2,425.38

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Solution

The fourth proportional to 4,018.65, 5,545.78 and 2,425.38 is: 3,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,018.65 : 5,545.78 = 2,425.38 : x
  2. Step 2: Convert to fraction form
    4,018.65/5,545.78 = 2,425.38/x
  3. Step 3: Cross multiply
    4,018.65x = 5,545.78 × 2,425.38
  4. Step 4: Simplify right side
    4,018.65x = 13,450,623.90
  5. Step 5: Solve for x
    x = 13,450,623.90/4,018.65
  6. Step 6: Final answer
    x = 3,347.05

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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.