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Finding the Fourth Proportional to 5,290.99, 7,938.07 and 1,593.34

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Solution

The fourth proportional to 5,290.99, 7,938.07 and 1,593.34 is: 2,390.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.99 : 7,938.07 = 1,593.34 : x
  2. Step 2: Convert to fraction form
    5,290.99/7,938.07 = 1,593.34/x
  3. Step 3: Cross multiply
    5,290.99x = 7,938.07 × 1,593.34
  4. Step 4: Simplify right side
    5,290.99x = 12,648,020.63
  5. Step 5: Solve for x
    x = 12,648,020.63/5,290.99
  6. Step 6: Final answer
    x = 2,390.48

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Similar ratio
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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.