Home / 1,898.01-2,619.42-1,101.63

Finding the Fourth Proportional to 1,898.01, 2,619.42 and 1,101.63

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Solution

The fourth proportional to 1,898.01, 2,619.42 and 1,101.63 is: 1,520.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898.01 : 2,619.42 = 1,101.63 : x
  2. Step 2: Convert to fraction form
    1,898.01/2,619.42 = 1,101.63/x
  3. Step 3: Cross multiply
    1,898.01x = 2,619.42 × 1,101.63
  4. Step 4: Simplify right side
    1,898.01x = 2,885,631.65
  5. Step 5: Solve for x
    x = 2,885,631.65/1,898.01
  6. Step 6: Final answer
    x = 1,520.35

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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.