Home / 7,790.87-10,751.79-4,434.16

Finding the Fourth Proportional to 7,790.87, 10,751.79 and 4,434.16

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Solution

The fourth proportional to 7,790.87, 10,751.79 and 4,434.16 is: 6,119.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.87 : 10,751.79 = 4,434.16 : x
  2. Step 2: Convert to fraction form
    7,790.87/10,751.79 = 4,434.16/x
  3. Step 3: Cross multiply
    7,790.87x = 10,751.79 × 4,434.16
  4. Step 4: Simplify right side
    7,790.87x = 47,675,130.27
  5. Step 5: Solve for x
    x = 47,675,130.27/7,790.87
  6. Step 6: Final answer
    x = 6,119.36

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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.