Home / 1,894.14-2,613.74-1,108.04

Finding the Fourth Proportional to 1,894.14, 2,613.74 and 1,108.04

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Solution

The fourth proportional to 1,894.14, 2,613.74 and 1,108.04 is: 1,528.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894.14 : 2,613.74 = 1,108.04 : x
  2. Step 2: Convert to fraction form
    1,894.14/2,613.74 = 1,108.04/x
  3. Step 3: Cross multiply
    1,894.14x = 2,613.74 × 1,108.04
  4. Step 4: Simplify right side
    1,894.14x = 2,896,109.86
  5. Step 5: Solve for x
    x = 2,896,109.86/1,894.14
  6. Step 6: Final answer
    x = 1,528.98

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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.