Home / 1,975.58-2,725.07-1,267.18

Finding the Fourth Proportional to 1,975.58, 2,725.07 and 1,267.18

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Solution

The fourth proportional to 1,975.58, 2,725.07 and 1,267.18 is: 1,747.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.58 : 2,725.07 = 1,267.18 : x
  2. Step 2: Convert to fraction form
    1,975.58/2,725.07 = 1,267.18/x
  3. Step 3: Cross multiply
    1,975.58x = 2,725.07 × 1,267.18
  4. Step 4: Simplify right side
    1,975.58x = 3,453,156.02
  5. Step 5: Solve for x
    x = 3,453,156.02/1,975.58
  6. Step 6: Final answer
    x = 1,747.92

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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.