Home / 7,790.72-10,751.67-4,606.47

Finding the Fourth Proportional to 7,790.72, 10,751.67 and 4,606.47

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Solution

The fourth proportional to 7,790.72, 10,751.67 and 4,606.47 is: 6,357.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.72 : 10,751.67 = 4,606.47 : x
  2. Step 2: Convert to fraction form
    7,790.72/10,751.67 = 4,606.47/x
  3. Step 3: Cross multiply
    7,790.72x = 10,751.67 × 4,606.47
  4. Step 4: Simplify right side
    7,790.72x = 49,527,245.30
  5. Step 5: Solve for x
    x = 49,527,245.30/7,790.72
  6. Step 6: Final answer
    x = 6,357.21

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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.