Home / 7,808.97-10,776.60-4,272.41

Finding the Fourth Proportional to 7,808.97, 10,776.60 and 4,272.41

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Solution

The fourth proportional to 7,808.97, 10,776.60 and 4,272.41 is: 5,896.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808.97 : 10,776.60 = 4,272.41 : x
  2. Step 2: Convert to fraction form
    7,808.97/10,776.60 = 4,272.41/x
  3. Step 3: Cross multiply
    7,808.97x = 10,776.60 × 4,272.41
  4. Step 4: Simplify right side
    7,808.97x = 46,041,999.72
  5. Step 5: Solve for x
    x = 46,041,999.72/7,808.97
  6. Step 6: Final answer
    x = 5,896.04

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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.