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Finding the Fourth Proportional to 2,038.02, 3,057.03 and 739.59

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Solution

The fourth proportional to 2,038.02, 3,057.03 and 739.59 is: 1,109.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.02 : 3,057.03 = 739.59 : x
  2. Step 2: Convert to fraction form
    2,038.02/3,057.03 = 739.59/x
  3. Step 3: Cross multiply
    2,038.02x = 3,057.03 × 739.59
  4. Step 4: Simplify right side
    2,038.02x = 2,260,948.82
  5. Step 5: Solve for x
    x = 2,260,948.82/2,038.02
  6. Step 6: Final answer
    x = 1,109.39

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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.