Home / 4,507.87-6,221.97-2,740.65

Finding the Fourth Proportional to 4,507.87, 6,221.97 and 2,740.65

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Solution

The fourth proportional to 4,507.87, 6,221.97 and 2,740.65 is: 3,782.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.87 : 6,221.97 = 2,740.65 : x
  2. Step 2: Convert to fraction form
    4,507.87/6,221.97 = 2,740.65/x
  3. Step 3: Cross multiply
    4,507.87x = 6,221.97 × 2,740.65
  4. Step 4: Simplify right side
    4,507.87x = 17,052,242.08
  5. Step 5: Solve for x
    x = 17,052,242.08/4,507.87
  6. Step 6: Final answer
    x = 3,782.77

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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.