Home / 3,762.45-5,192.71-3,132.07

Finding the Fourth Proportional to 3,762.45, 5,192.71 and 3,132.07

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Solution

The fourth proportional to 3,762.45, 5,192.71 and 3,132.07 is: 4,322.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762.45 : 5,192.71 = 3,132.07 : x
  2. Step 2: Convert to fraction form
    3,762.45/5,192.71 = 3,132.07/x
  3. Step 3: Cross multiply
    3,762.45x = 5,192.71 × 3,132.07
  4. Step 4: Simplify right side
    3,762.45x = 16,263,910.40
  5. Step 5: Solve for x
    x = 16,263,910.40/3,762.45
  6. Step 6: Final answer
    x = 4,322.69

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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.