Home / 4,726.64-7,089.96-2,126.54

Finding the Fourth Proportional to 4,726.64, 7,089.96 and 2,126.54

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Solution

The fourth proportional to 4,726.64, 7,089.96 and 2,126.54 is: 3,189.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,726.64 : 7,089.96 = 2,126.54 : x
  2. Step 2: Convert to fraction form
    4,726.64/7,089.96 = 2,126.54/x
  3. Step 3: Cross multiply
    4,726.64x = 7,089.96 × 2,126.54
  4. Step 4: Simplify right side
    4,726.64x = 15,077,048.09
  5. Step 5: Solve for x
    x = 15,077,048.09/4,726.64
  6. Step 6: Final answer
    x = 3,189.81

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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.