Home / 1,724.14-2,586.35-1,267.30

Finding the Fourth Proportional to 1,724.14, 2,586.35 and 1,267.30

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Solution

The fourth proportional to 1,724.14, 2,586.35 and 1,267.30 is: 1,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.14 : 2,586.35 = 1,267.30 : x
  2. Step 2: Convert to fraction form
    1,724.14/2,586.35 = 1,267.30/x
  3. Step 3: Cross multiply
    1,724.14x = 2,586.35 × 1,267.30
  4. Step 4: Simplify right side
    1,724.14x = 3,277,681.36
  5. Step 5: Solve for x
    x = 3,277,681.36/1,724.14
  6. Step 6: Final answer
    x = 1,901.05

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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.