Home / 5,401.92-7,455.03-3,012.05

Finding the Fourth Proportional to 5,401.92, 7,455.03 and 3,012.05

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Solution

The fourth proportional to 5,401.92, 7,455.03 and 3,012.05 is: 4,156.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.92 : 7,455.03 = 3,012.05 : x
  2. Step 2: Convert to fraction form
    5,401.92/7,455.03 = 3,012.05/x
  3. Step 3: Cross multiply
    5,401.92x = 7,455.03 × 3,012.05
  4. Step 4: Simplify right side
    5,401.92x = 22,454,923.11
  5. Step 5: Solve for x
    x = 22,454,923.11/5,401.92
  6. Step 6: Final answer
    x = 4,156.84

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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.