Home / 7,637.82-11,458.45-3,476.71

Finding the Fourth Proportional to 7,637.82, 11,458.45 and 3,476.71

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Solution

The fourth proportional to 7,637.82, 11,458.45 and 3,476.71 is: 5,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637.82 : 11,458.45 = 3,476.71 : x
  2. Step 2: Convert to fraction form
    7,637.82/11,458.45 = 3,476.71/x
  3. Step 3: Cross multiply
    7,637.82x = 11,458.45 × 3,476.71
  4. Step 4: Simplify right side
    7,637.82x = 39,837,726.37
  5. Step 5: Solve for x
    x = 39,837,726.37/7,637.82
  6. Step 6: Final answer
    x = 5,215.85

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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.