Home / 4,090.47-5,644.26-2,321.70

Finding the Fourth Proportional to 4,090.47, 5,644.26 and 2,321.70

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Solution

The fourth proportional to 4,090.47, 5,644.26 and 2,321.70 is: 3,203.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.47 : 5,644.26 = 2,321.70 : x
  2. Step 2: Convert to fraction form
    4,090.47/5,644.26 = 2,321.70/x
  3. Step 3: Cross multiply
    4,090.47x = 5,644.26 × 2,321.70
  4. Step 4: Simplify right side
    4,090.47x = 13,104,278.44
  5. Step 5: Solve for x
    x = 13,104,278.44/4,090.47
  6. Step 6: Final answer
    x = 3,203.61

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Half scale
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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.