Home / 5,090.04-7,628.58-4,396.68

Finding the Fourth Proportional to 5,090.04, 7,628.58 and 4,396.68

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Solution

The fourth proportional to 5,090.04, 7,628.58 and 4,396.68 is: 6,589.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.04 : 7,628.58 = 4,396.68 : x
  2. Step 2: Convert to fraction form
    5,090.04/7,628.58 = 4,396.68/x
  3. Step 3: Cross multiply
    5,090.04x = 7,628.58 × 4,396.68
  4. Step 4: Simplify right side
    5,090.04x = 33,540,425.11
  5. Step 5: Solve for x
    x = 33,540,425.11/5,090.04
  6. Step 6: Final answer
    x = 6,589.42

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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.