Home / 3,785.05-5,223.53-2,292.13

Finding the Fourth Proportional to 3,785.05, 5,223.53 and 2,292.13

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Solution

The fourth proportional to 3,785.05, 5,223.53 and 2,292.13 is: 3,163.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.05 : 5,223.53 = 2,292.13 : x
  2. Step 2: Convert to fraction form
    3,785.05/5,223.53 = 2,292.13/x
  3. Step 3: Cross multiply
    3,785.05x = 5,223.53 × 2,292.13
  4. Step 4: Simplify right side
    3,785.05x = 11,973,009.82
  5. Step 5: Solve for x
    x = 11,973,009.82/3,785.05
  6. Step 6: Final answer
    x = 3,163.24

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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.