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Finding the Fourth Proportional to 5,890.99, 8,130.97 and 3,374.56

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Solution

The fourth proportional to 5,890.99, 8,130.97 and 3,374.56 is: 4,657.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.99 : 8,130.97 = 3,374.56 : x
  2. Step 2: Convert to fraction form
    5,890.99/8,130.97 = 3,374.56/x
  3. Step 3: Cross multiply
    5,890.99x = 8,130.97 × 3,374.56
  4. Step 4: Simplify right side
    5,890.99x = 27,438,446.12
  5. Step 5: Solve for x
    x = 27,438,446.12/5,890.99
  6. Step 6: Final answer
    x = 4,657.70

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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.