Home / 3,009.99-4,154.83-2,068.90

Finding the Fourth Proportional to 3,009.99, 4,154.83 and 2,068.90

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Solution

The fourth proportional to 3,009.99, 4,154.83 and 2,068.90 is: 2,855.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.99 : 4,154.83 = 2,068.90 : x
  2. Step 2: Convert to fraction form
    3,009.99/4,154.83 = 2,068.90/x
  3. Step 3: Cross multiply
    3,009.99x = 4,154.83 × 2,068.90
  4. Step 4: Simplify right side
    3,009.99x = 8,595,907.01
  5. Step 5: Solve for x
    x = 8,595,907.01/3,009.99
  6. Step 6: Final answer
    x = 2,855.79

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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.