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Finding the Fourth Proportional to 5,590.98, 7,715.09 and 3,073.02

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Solution

The fourth proportional to 5,590.98, 7,715.09 and 3,073.02 is: 4,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.98 : 7,715.09 = 3,073.02 : x
  2. Step 2: Convert to fraction form
    5,590.98/7,715.09 = 3,073.02/x
  3. Step 3: Cross multiply
    5,590.98x = 7,715.09 × 3,073.02
  4. Step 4: Simplify right side
    5,590.98x = 23,708,610.51
  5. Step 5: Solve for x
    x = 23,708,610.51/5,590.98
  6. Step 6: Final answer
    x = 4,240.51

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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.