Home / 2,992.24-4,130.94-1,874.26

Finding the Fourth Proportional to 2,992.24, 4,130.94 and 1,874.26

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Solution

The fourth proportional to 2,992.24, 4,130.94 and 1,874.26 is: 2,587.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.24 : 4,130.94 = 1,874.26 : x
  2. Step 2: Convert to fraction form
    2,992.24/4,130.94 = 1,874.26/x
  3. Step 3: Cross multiply
    2,992.24x = 4,130.94 × 1,874.26
  4. Step 4: Simplify right side
    2,992.24x = 7,742,455.60
  5. Step 5: Solve for x
    x = 7,742,455.60/2,992.24
  6. Step 6: Final answer
    x = 2,587.51

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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.