Home / 1,894.24-2,613.77-1,086.58

Finding the Fourth Proportional to 1,894.24, 2,613.77 and 1,086.58

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Solution

The fourth proportional to 1,894.24, 2,613.77 and 1,086.58 is: 1,499.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894.24 : 2,613.77 = 1,086.58 : x
  2. Step 2: Convert to fraction form
    1,894.24/2,613.77 = 1,086.58/x
  3. Step 3: Cross multiply
    1,894.24x = 2,613.77 × 1,086.58
  4. Step 4: Simplify right side
    1,894.24x = 2,840,070.21
  5. Step 5: Solve for x
    x = 2,840,070.21/1,894.24
  6. Step 6: Final answer
    x = 1,499.32

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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.