Home / 1,869.08-2,581.88-1,623.65

Finding the Fourth Proportional to 1,869.08, 2,581.88 and 1,623.65

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Solution

The fourth proportional to 1,869.08, 2,581.88 and 1,623.65 is: 2,242.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.08 : 2,581.88 = 1,623.65 : x
  2. Step 2: Convert to fraction form
    1,869.08/2,581.88 = 1,623.65/x
  3. Step 3: Cross multiply
    1,869.08x = 2,581.88 × 1,623.65
  4. Step 4: Simplify right side
    1,869.08x = 4,192,048.43
  5. Step 5: Solve for x
    x = 4,192,048.43/1,869.08
  6. Step 6: Final answer
    x = 2,242.85

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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.