Home / 7,817.45-11,726.30-2,552.51

Finding the Fourth Proportional to 7,817.45, 11,726.30 and 2,552.51

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Solution

The fourth proportional to 7,817.45, 11,726.30 and 2,552.51 is: 3,828.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.45 : 11,726.30 = 2,552.51 : x
  2. Step 2: Convert to fraction form
    7,817.45/11,726.30 = 2,552.51/x
  3. Step 3: Cross multiply
    7,817.45x = 11,726.30 × 2,552.51
  4. Step 4: Simplify right side
    7,817.45x = 29,931,533.71
  5. Step 5: Solve for x
    x = 29,931,533.71/7,817.45
  6. Step 6: Final answer
    x = 3,828.81

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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.