Home / 2,876.10-3,969.27-1,696.94

Finding the Fourth Proportional to 2,876.10, 3,969.27 and 1,696.94

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Solution

The fourth proportional to 2,876.10, 3,969.27 and 1,696.94 is: 2,341.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.10 : 3,969.27 = 1,696.94 : x
  2. Step 2: Convert to fraction form
    2,876.10/3,969.27 = 1,696.94/x
  3. Step 3: Cross multiply
    2,876.10x = 3,969.27 × 1,696.94
  4. Step 4: Simplify right side
    2,876.10x = 6,735,613.03
  5. Step 5: Solve for x
    x = 6,735,613.03/2,876.10
  6. Step 6: Final answer
    x = 2,341.93

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1.5x scale

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.