Home / 2,696.55-3,717.63-1,855.77

Finding the Fourth Proportional to 2,696.55, 3,717.63 and 1,855.77

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Solution

The fourth proportional to 2,696.55, 3,717.63 and 1,855.77 is: 2,558.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.55 : 3,717.63 = 1,855.77 : x
  2. Step 2: Convert to fraction form
    2,696.55/3,717.63 = 1,855.77/x
  3. Step 3: Cross multiply
    2,696.55x = 3,717.63 × 1,855.77
  4. Step 4: Simplify right side
    2,696.55x = 6,899,066.23
  5. Step 5: Solve for x
    x = 6,899,066.23/2,696.55
  6. Step 6: Final answer
    x = 2,558.48

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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.