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Finding the Fourth Proportional to 2,190.69, 3,024.90 and 2,024.87

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Solution

The fourth proportional to 2,190.69, 3,024.90 and 2,024.87 is: 2,795.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.69 : 3,024.90 = 2,024.87 : x
  2. Step 2: Convert to fraction form
    2,190.69/3,024.90 = 2,024.87/x
  3. Step 3: Cross multiply
    2,190.69x = 3,024.90 × 2,024.87
  4. Step 4: Simplify right side
    2,190.69x = 6,125,014.14
  5. Step 5: Solve for x
    x = 6,125,014.14/2,190.69
  6. Step 6: Final answer
    x = 2,795.93

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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.