Home / 5,263.20-7,263.81-2,905.56

Finding the Fourth Proportional to 5,263.20, 7,263.81 and 2,905.56

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Solution

The fourth proportional to 5,263.20, 7,263.81 and 2,905.56 is: 4,010.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263.20 : 7,263.81 = 2,905.56 : x
  2. Step 2: Convert to fraction form
    5,263.20/7,263.81 = 2,905.56/x
  3. Step 3: Cross multiply
    5,263.20x = 7,263.81 × 2,905.56
  4. Step 4: Simplify right side
    5,263.20x = 21,105,435.78
  5. Step 5: Solve for x
    x = 21,105,435.78/5,263.20
  6. Step 6: Final answer
    x = 4,010.00

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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.