Home / 3,750.99-5,176.11-2,072.40

Finding the Fourth Proportional to 3,750.99, 5,176.11 and 2,072.40

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Solution

The fourth proportional to 3,750.99, 5,176.11 and 2,072.40 is: 2,859.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.99 : 5,176.11 = 2,072.40 : x
  2. Step 2: Convert to fraction form
    3,750.99/5,176.11 = 2,072.40/x
  3. Step 3: Cross multiply
    3,750.99x = 5,176.11 × 2,072.40
  4. Step 4: Simplify right side
    3,750.99x = 10,726,970.36
  5. Step 5: Solve for x
    x = 10,726,970.36/3,750.99
  6. Step 6: Final answer
    x = 2,859.77

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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.