Home / 2,077.20-3,122.62-1,925.01

Finding the Fourth Proportional to 2,077.20, 3,122.62 and 1,925.01

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Solution

The fourth proportional to 2,077.20, 3,122.62 and 1,925.01 is: 2,893.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.20 : 3,122.62 = 1,925.01 : x
  2. Step 2: Convert to fraction form
    2,077.20/3,122.62 = 1,925.01/x
  3. Step 3: Cross multiply
    2,077.20x = 3,122.62 × 1,925.01
  4. Step 4: Simplify right side
    2,077.20x = 6,011,069.91
  5. Step 5: Solve for x
    x = 6,011,069.91/2,077.20
  6. Step 6: Final answer
    x = 2,893.83

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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.