Home / 7,400.28-11,090.58-3,015.36

Finding the Fourth Proportional to 7,400.28, 11,090.58 and 3,015.36

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Solution

The fourth proportional to 7,400.28, 11,090.58 and 3,015.36 is: 4,519.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.28 : 11,090.58 = 3,015.36 : x
  2. Step 2: Convert to fraction form
    7,400.28/11,090.58 = 3,015.36/x
  3. Step 3: Cross multiply
    7,400.28x = 11,090.58 × 3,015.36
  4. Step 4: Simplify right side
    7,400.28x = 33,442,091.31
  5. Step 5: Solve for x
    x = 33,442,091.31/7,400.28
  6. Step 6: Final answer
    x = 4,519.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.