Home / 2,669.16-4,003.26-1,025.40

Finding the Fourth Proportional to 2,669.16, 4,003.26 and 1,025.40

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Solution

The fourth proportional to 2,669.16, 4,003.26 and 1,025.40 is: 1,537.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.16 : 4,003.26 = 1,025.40 : x
  2. Step 2: Convert to fraction form
    2,669.16/4,003.26 = 1,025.40/x
  3. Step 3: Cross multiply
    2,669.16x = 4,003.26 × 1,025.40
  4. Step 4: Simplify right side
    2,669.16x = 4,104,942.80
  5. Step 5: Solve for x
    x = 4,104,942.80/2,669.16
  6. Step 6: Final answer
    x = 1,537.92

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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.