Home / 3,762.19-5,192.12-2,190.59

Finding the Fourth Proportional to 3,762.19, 5,192.12 and 2,190.59

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Solution

The fourth proportional to 3,762.19, 5,192.12 and 2,190.59 is: 3,023.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762.19 : 5,192.12 = 2,190.59 : x
  2. Step 2: Convert to fraction form
    3,762.19/5,192.12 = 2,190.59/x
  3. Step 3: Cross multiply
    3,762.19x = 5,192.12 × 2,190.59
  4. Step 4: Simplify right side
    3,762.19x = 11,373,785.67
  5. Step 5: Solve for x
    x = 11,373,785.67/3,762.19
  6. Step 6: Final answer
    x = 3,023.18

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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.