Home / 7,475.92-10,305.70-4,786.84

Finding the Fourth Proportional to 7,475.92, 10,305.70 and 4,786.84

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Solution

The fourth proportional to 7,475.92, 10,305.70 and 4,786.84 is: 6,598.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.92 : 10,305.70 = 4,786.84 : x
  2. Step 2: Convert to fraction form
    7,475.92/10,305.70 = 4,786.84/x
  3. Step 3: Cross multiply
    7,475.92x = 10,305.70 × 4,786.84
  4. Step 4: Simplify right side
    7,475.92x = 49,331,736.99
  5. Step 5: Solve for x
    x = 49,331,736.99/7,475.92
  6. Step 6: Final answer
    x = 6,598.75

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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.