Home / 5,140.11-7,092.81-2,901.85

Finding the Fourth Proportional to 5,140.11, 7,092.81 and 2,901.85

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Solution

The fourth proportional to 5,140.11, 7,092.81 and 2,901.85 is: 4,004.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.11 : 7,092.81 = 2,901.85 : x
  2. Step 2: Convert to fraction form
    5,140.11/7,092.81 = 2,901.85/x
  3. Step 3: Cross multiply
    5,140.11x = 7,092.81 × 2,901.85
  4. Step 4: Simplify right side
    5,140.11x = 20,582,270.70
  5. Step 5: Solve for x
    x = 20,582,270.70/5,140.11
  6. Step 6: Final answer
    x = 4,004.25

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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.