Home / 7,153.18-10,726.26-2,991.94

Finding the Fourth Proportional to 7,153.18, 10,726.26 and 2,991.94

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Solution

The fourth proportional to 7,153.18, 10,726.26 and 2,991.94 is: 4,486.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.18 : 10,726.26 = 2,991.94 : x
  2. Step 2: Convert to fraction form
    7,153.18/10,726.26 = 2,991.94/x
  3. Step 3: Cross multiply
    7,153.18x = 10,726.26 × 2,991.94
  4. Step 4: Simplify right side
    7,153.18x = 32,092,326.34
  5. Step 5: Solve for x
    x = 32,092,326.34/7,153.18
  6. Step 6: Final answer
    x = 4,486.44

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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.