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Finding the Fourth Proportional to 2,203.37, 3,040.29 and 1,259.00

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Solution

The fourth proportional to 2,203.37, 3,040.29 and 1,259.00 is: 1,737.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.37 : 3,040.29 = 1,259.00 : x
  2. Step 2: Convert to fraction form
    2,203.37/3,040.29 = 1,259.00/x
  3. Step 3: Cross multiply
    2,203.37x = 3,040.29 × 1,259.00
  4. Step 4: Simplify right side
    2,203.37x = 3,827,709.91
  5. Step 5: Solve for x
    x = 3,827,709.91/2,203.37
  6. Step 6: Final answer
    x = 1,737.21

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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.