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Finding the Fourth Proportional to 3,094.30, 4,641.40 and 754.32

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Solution

The fourth proportional to 3,094.30, 4,641.40 and 754.32 is: 1,131.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,094.30 : 4,641.40 = 754.32 : x
  2. Step 2: Convert to fraction form
    3,094.30/4,641.40 = 754.32/x
  3. Step 3: Cross multiply
    3,094.30x = 4,641.40 × 754.32
  4. Step 4: Simplify right side
    3,094.30x = 3,501,100.85
  5. Step 5: Solve for x
    x = 3,501,100.85/3,094.30
  6. Step 6: Final answer
    x = 1,131.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.