Home / 7,767.20-10,716.84-4,580.68

Finding the Fourth Proportional to 7,767.20, 10,716.84 and 4,580.68

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Solution

The fourth proportional to 7,767.20, 10,716.84 and 4,580.68 is: 6,320.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.20 : 10,716.84 = 4,580.68 : x
  2. Step 2: Convert to fraction form
    7,767.20/10,716.84 = 4,580.68/x
  3. Step 3: Cross multiply
    7,767.20x = 10,716.84 × 4,580.68
  4. Step 4: Simplify right side
    7,767.20x = 49,090,414.65
  5. Step 5: Solve for x
    x = 49,090,414.65/7,767.20
  6. Step 6: Final answer
    x = 6,320.22

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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.