Home / 7,080.96-9,768.42-4,247.04

Finding the Fourth Proportional to 7,080.96, 9,768.42 and 4,247.04

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Solution

The fourth proportional to 7,080.96, 9,768.42 and 4,247.04 is: 5,858.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.96 : 9,768.42 = 4,247.04 : x
  2. Step 2: Convert to fraction form
    7,080.96/9,768.42 = 4,247.04/x
  3. Step 3: Cross multiply
    7,080.96x = 9,768.42 × 4,247.04
  4. Step 4: Simplify right side
    7,080.96x = 41,486,870.48
  5. Step 5: Solve for x
    x = 41,486,870.48/7,080.96
  6. Step 6: Final answer
    x = 5,858.93

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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.