Home / 4,707.72-7,063.40-1,786.25

Finding the Fourth Proportional to 4,707.72, 7,063.40 and 1,786.25

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Solution

The fourth proportional to 4,707.72, 7,063.40 and 1,786.25 is: 2,680.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,707.72 : 7,063.40 = 1,786.25 : x
  2. Step 2: Convert to fraction form
    4,707.72/7,063.40 = 1,786.25/x
  3. Step 3: Cross multiply
    4,707.72x = 7,063.40 × 1,786.25
  4. Step 4: Simplify right side
    4,707.72x = 12,617,020.37
  5. Step 5: Solve for x
    x = 12,617,020.37/4,707.72
  6. Step 6: Final answer
    x = 2,680.07

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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.