Home / 2,740.10-3,775.82-2,266.65

Finding the Fourth Proportional to 2,740.10, 3,775.82 and 2,266.65

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Solution

The fourth proportional to 2,740.10, 3,775.82 and 2,266.65 is: 3,123.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.10 : 3,775.82 = 2,266.65 : x
  2. Step 2: Convert to fraction form
    2,740.10/3,775.82 = 2,266.65/x
  3. Step 3: Cross multiply
    2,740.10x = 3,775.82 × 2,266.65
  4. Step 4: Simplify right side
    2,740.10x = 8,558,451.07
  5. Step 5: Solve for x
    x = 8,558,451.07/2,740.10
  6. Step 6: Final answer
    x = 3,123.41

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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.