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Finding the Fourth Proportional to 3,572.98, 5,360.99 and 1,383.26

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Solution

The fourth proportional to 3,572.98, 5,360.99 and 1,383.26 is: 2,075.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.98 : 5,360.99 = 1,383.26 : x
  2. Step 2: Convert to fraction form
    3,572.98/5,360.99 = 1,383.26/x
  3. Step 3: Cross multiply
    3,572.98x = 5,360.99 × 1,383.26
  4. Step 4: Simplify right side
    3,572.98x = 7,415,609.31
  5. Step 5: Solve for x
    x = 7,415,609.31/3,572.98
  6. Step 6: Final answer
    x = 2,075.47

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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.