Home / 2,696.08-4,045.38-2,652.40

Finding the Fourth Proportional to 2,696.08, 4,045.38 and 2,652.40

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Solution

The fourth proportional to 2,696.08, 4,045.38 and 2,652.40 is: 3,979.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.08 : 4,045.38 = 2,652.40 : x
  2. Step 2: Convert to fraction form
    2,696.08/4,045.38 = 2,652.40/x
  3. Step 3: Cross multiply
    2,696.08x = 4,045.38 × 2,652.40
  4. Step 4: Simplify right side
    2,696.08x = 10,729,965.91
  5. Step 5: Solve for x
    x = 10,729,965.91/2,696.08
  6. Step 6: Final answer
    x = 3,979.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.