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Finding the Fourth Proportional to 2,833.48, 4,250.40 and 753.45

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Solution

The fourth proportional to 2,833.48, 4,250.40 and 753.45 is: 1,130.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.48 : 4,250.40 = 753.45 : x
  2. Step 2: Convert to fraction form
    2,833.48/4,250.40 = 753.45/x
  3. Step 3: Cross multiply
    2,833.48x = 4,250.40 × 753.45
  4. Step 4: Simplify right side
    2,833.48x = 3,202,463.88
  5. Step 5: Solve for x
    x = 3,202,463.88/2,833.48
  6. Step 6: Final answer
    x = 1,130.22

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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.