Home / 3,511.56-5,263.55-1,866.45

Finding the Fourth Proportional to 3,511.56, 5,263.55 and 1,866.45

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Solution

The fourth proportional to 3,511.56, 5,263.55 and 1,866.45 is: 2,797.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.56 : 5,263.55 = 1,866.45 : x
  2. Step 2: Convert to fraction form
    3,511.56/5,263.55 = 1,866.45/x
  3. Step 3: Cross multiply
    3,511.56x = 5,263.55 × 1,866.45
  4. Step 4: Simplify right side
    3,511.56x = 9,824,152.90
  5. Step 5: Solve for x
    x = 9,824,152.90/3,511.56
  6. Step 6: Final answer
    x = 2,797.66

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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.