Home / 5,265.78-7,263.63-3,169.50

Finding the Fourth Proportional to 5,265.78, 7,263.63 and 3,169.50

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Solution

The fourth proportional to 5,265.78, 7,263.63 and 3,169.50 is: 4,372.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.78 : 7,263.63 = 3,169.50 : x
  2. Step 2: Convert to fraction form
    5,265.78/7,263.63 = 3,169.50/x
  3. Step 3: Cross multiply
    5,265.78x = 7,263.63 × 3,169.50
  4. Step 4: Simplify right side
    5,265.78x = 23,022,075.29
  5. Step 5: Solve for x
    x = 23,022,075.29/5,265.78
  6. Step 6: Final answer
    x = 4,372.02

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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.