Home / 4,090.20-5,644.47-2,321.46

Finding the Fourth Proportional to 4,090.20, 5,644.47 and 2,321.46

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Solution

The fourth proportional to 4,090.20, 5,644.47 and 2,321.46 is: 3,203.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.20 : 5,644.47 = 2,321.46 : x
  2. Step 2: Convert to fraction form
    4,090.20/5,644.47 = 2,321.46/x
  3. Step 3: Cross multiply
    4,090.20x = 5,644.47 × 2,321.46
  4. Step 4: Simplify right side
    4,090.20x = 13,103,411.33
  5. Step 5: Solve for x
    x = 13,103,411.33/4,090.20
  6. Step 6: Final answer
    x = 3,203.61

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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.