Home / 3,001.50-4,142.55-2,174.94

Finding the Fourth Proportional to 3,001.50, 4,142.55 and 2,174.94

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Solution

The fourth proportional to 3,001.50, 4,142.55 and 2,174.94 is: 3,001.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.50 : 4,142.55 = 2,174.94 : x
  2. Step 2: Convert to fraction form
    3,001.50/4,142.55 = 2,174.94/x
  3. Step 3: Cross multiply
    3,001.50x = 4,142.55 × 2,174.94
  4. Step 4: Simplify right side
    3,001.50x = 9,009,797.70
  5. Step 5: Solve for x
    x = 9,009,797.70/3,001.50
  6. Step 6: Final answer
    x = 3,001.77

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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.