Home / 1,816.91-2,725.35-1,491.59

Finding the Fourth Proportional to 1,816.91, 2,725.35 and 1,491.59

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Solution

The fourth proportional to 1,816.91, 2,725.35 and 1,491.59 is: 2,237.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.91 : 2,725.35 = 1,491.59 : x
  2. Step 2: Convert to fraction form
    1,816.91/2,725.35 = 1,491.59/x
  3. Step 3: Cross multiply
    1,816.91x = 2,725.35 × 1,491.59
  4. Step 4: Simplify right side
    1,816.91x = 4,065,091.18
  5. Step 5: Solve for x
    x = 4,065,091.18/1,816.91
  6. Step 6: Final answer
    x = 2,237.37

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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.