Home / 2,700.63-3,726.75-1,521.66

Finding the Fourth Proportional to 2,700.63, 3,726.75 and 1,521.66

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Solution

The fourth proportional to 2,700.63, 3,726.75 and 1,521.66 is: 2,099.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.63 : 3,726.75 = 1,521.66 : x
  2. Step 2: Convert to fraction form
    2,700.63/3,726.75 = 1,521.66/x
  3. Step 3: Cross multiply
    2,700.63x = 3,726.75 × 1,521.66
  4. Step 4: Simplify right side
    2,700.63x = 5,670,846.41
  5. Step 5: Solve for x
    x = 5,670,846.41/2,700.63
  6. Step 6: Final answer
    x = 2,099.82

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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.