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Finding the Fourth Proportional to 3,090.44, 4,264.76 and 1,764.10

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Solution

The fourth proportional to 3,090.44, 4,264.76 and 1,764.10 is: 2,434.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.44 : 4,264.76 = 1,764.10 : x
  2. Step 2: Convert to fraction form
    3,090.44/4,264.76 = 1,764.10/x
  3. Step 3: Cross multiply
    3,090.44x = 4,264.76 × 1,764.10
  4. Step 4: Simplify right side
    3,090.44x = 7,523,463.12
  5. Step 5: Solve for x
    x = 7,523,463.12/3,090.44
  6. Step 6: Final answer
    x = 2,434.43

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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.