Home / 1,919.84-2,653.97-1,723.01

Finding the Fourth Proportional to 1,919.84, 2,653.97 and 1,723.01

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Solution

The fourth proportional to 1,919.84, 2,653.97 and 1,723.01 is: 2,381.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919.84 : 2,653.97 = 1,723.01 : x
  2. Step 2: Convert to fraction form
    1,919.84/2,653.97 = 1,723.01/x
  3. Step 3: Cross multiply
    1,919.84x = 2,653.97 × 1,723.01
  4. Step 4: Simplify right side
    1,919.84x = 4,572,794.96
  5. Step 5: Solve for x
    x = 4,572,794.96/1,919.84
  6. Step 6: Final answer
    x = 2,381.87

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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.