Home / 2,580.24-3,871.67-1,192.01

Finding the Fourth Proportional to 2,580.24, 3,871.67 and 1,192.01

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Solution

The fourth proportional to 2,580.24, 3,871.67 and 1,192.01 is: 1,788.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.24 : 3,871.67 = 1,192.01 : x
  2. Step 2: Convert to fraction form
    2,580.24/3,871.67 = 1,192.01/x
  3. Step 3: Cross multiply
    2,580.24x = 3,871.67 × 1,192.01
  4. Step 4: Simplify right side
    2,580.24x = 4,615,073.08
  5. Step 5: Solve for x
    x = 4,615,073.08/2,580.24
  6. Step 6: Final answer
    x = 1,788.62

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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.