Home / 7,601.85-11,400.01-2,919.44

Finding the Fourth Proportional to 7,601.85, 11,400.01 and 2,919.44

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Solution

The fourth proportional to 7,601.85, 11,400.01 and 2,919.44 is: 4,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,601.85 : 11,400.01 = 2,919.44 : x
  2. Step 2: Convert to fraction form
    7,601.85/11,400.01 = 2,919.44/x
  3. Step 3: Cross multiply
    7,601.85x = 11,400.01 × 2,919.44
  4. Step 4: Simplify right side
    7,601.85x = 33,281,666.40
  5. Step 5: Solve for x
    x = 33,281,666.40/7,601.85
  6. Step 6: Final answer
    x = 4,378.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.