Home / 3,762.48-5,192.19-2,190.81

Finding the Fourth Proportional to 3,762.48, 5,192.19 and 2,190.81

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Solution

The fourth proportional to 3,762.48, 5,192.19 and 2,190.81 is: 3,023.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762.48 : 5,192.19 = 2,190.81 : x
  2. Step 2: Convert to fraction form
    3,762.48/5,192.19 = 2,190.81/x
  3. Step 3: Cross multiply
    3,762.48x = 5,192.19 × 2,190.81
  4. Step 4: Simplify right side
    3,762.48x = 11,375,101.77
  5. Step 5: Solve for x
    x = 11,375,101.77/3,762.48
  6. Step 6: Final answer
    x = 3,023.30

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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.