Home / 1,535.11-2,297.80-1,100.95

Finding the Fourth Proportional to 1,535.11, 2,297.80 and 1,100.95

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Solution

The fourth proportional to 1,535.11, 2,297.80 and 1,100.95 is: 1,647.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.11 : 2,297.80 = 1,100.95 : x
  2. Step 2: Convert to fraction form
    1,535.11/2,297.80 = 1,100.95/x
  3. Step 3: Cross multiply
    1,535.11x = 2,297.80 × 1,100.95
  4. Step 4: Simplify right side
    1,535.11x = 2,529,754.41
  5. Step 5: Solve for x
    x = 2,529,754.41/1,535.11
  6. Step 6: Final answer
    x = 1,647.93

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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.