Home / 4,744.81-7,122.23-2,666.59

Finding the Fourth Proportional to 4,744.81, 7,122.23 and 2,666.59

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Solution

The fourth proportional to 4,744.81, 7,122.23 and 2,666.59 is: 4,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,744.81 : 7,122.23 = 2,666.59 : x
  2. Step 2: Convert to fraction form
    4,744.81/7,122.23 = 2,666.59/x
  3. Step 3: Cross multiply
    4,744.81x = 7,122.23 × 2,666.59
  4. Step 4: Simplify right side
    4,744.81x = 18,992,067.30
  5. Step 5: Solve for x
    x = 18,992,067.30/4,744.81
  6. Step 6: Final answer
    x = 4,002.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.