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Finding the Fourth Proportional to 2,320.74, 3,203.06 and 1,760.22

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Solution

The fourth proportional to 2,320.74, 3,203.06 and 1,760.22 is: 2,429.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.74 : 3,203.06 = 1,760.22 : x
  2. Step 2: Convert to fraction form
    2,320.74/3,203.06 = 1,760.22/x
  3. Step 3: Cross multiply
    2,320.74x = 3,203.06 × 1,760.22
  4. Step 4: Simplify right side
    2,320.74x = 5,638,090.27
  5. Step 5: Solve for x
    x = 5,638,090.27/2,320.74
  6. Step 6: Final answer
    x = 2,429.44

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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.