Home / 5,448.76-7,519.38-3,090.96

Finding the Fourth Proportional to 5,448.76, 7,519.38 and 3,090.96

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Solution

The fourth proportional to 5,448.76, 7,519.38 and 3,090.96 is: 4,265.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.76 : 7,519.38 = 3,090.96 : x
  2. Step 2: Convert to fraction form
    5,448.76/7,519.38 = 3,090.96/x
  3. Step 3: Cross multiply
    5,448.76x = 7,519.38 × 3,090.96
  4. Step 4: Simplify right side
    5,448.76x = 23,242,102.80
  5. Step 5: Solve for x
    x = 23,242,102.80/5,448.76
  6. Step 6: Final answer
    x = 4,265.58

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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.