Home / 7,270.86-10,897.13-3,105.95

Finding the Fourth Proportional to 7,270.86, 10,897.13 and 3,105.95

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Solution

The fourth proportional to 7,270.86, 10,897.13 and 3,105.95 is: 4,655.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.86 : 10,897.13 = 3,105.95 : x
  2. Step 2: Convert to fraction form
    7,270.86/10,897.13 = 3,105.95/x
  3. Step 3: Cross multiply
    7,270.86x = 10,897.13 × 3,105.95
  4. Step 4: Simplify right side
    7,270.86x = 33,845,894.20
  5. Step 5: Solve for x
    x = 33,845,894.20/7,270.86
  6. Step 6: Final answer
    x = 4,655.00

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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.