Home / 1,511.24-2,265.42-536.82

Finding the Fourth Proportional to 1,511.24, 2,265.42 and 536.82

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Solution

The fourth proportional to 1,511.24, 2,265.42 and 536.82 is: 804.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.24 : 2,265.42 = 536.82 : x
  2. Step 2: Convert to fraction form
    1,511.24/2,265.42 = 536.82/x
  3. Step 3: Cross multiply
    1,511.24x = 2,265.42 × 536.82
  4. Step 4: Simplify right side
    1,511.24x = 1,216,122.76
  5. Step 5: Solve for x
    x = 1,216,122.76/1,511.24
  6. Step 6: Final answer
    x = 804.72

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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.