Home / 5,448.42-7,517.16-3,090.15

Finding the Fourth Proportional to 5,448.42, 7,517.16 and 3,090.15

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Solution

The fourth proportional to 5,448.42, 7,517.16 and 3,090.15 is: 4,263.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.42 : 7,517.16 = 3,090.15 : x
  2. Step 2: Convert to fraction form
    5,448.42/7,517.16 = 3,090.15/x
  3. Step 3: Cross multiply
    5,448.42x = 7,517.16 × 3,090.15
  4. Step 4: Simplify right side
    5,448.42x = 23,229,151.97
  5. Step 5: Solve for x
    x = 23,229,151.97/5,448.42
  6. Step 6: Final answer
    x = 4,263.47

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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.