Home / 5,291.14-7,924.56-4,115.02

Finding the Fourth Proportional to 5,291.14, 7,924.56 and 4,115.02

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Solution

The fourth proportional to 5,291.14, 7,924.56 and 4,115.02 is: 6,163.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.14 : 7,924.56 = 4,115.02 : x
  2. Step 2: Convert to fraction form
    5,291.14/7,924.56 = 4,115.02/x
  3. Step 3: Cross multiply
    5,291.14x = 7,924.56 × 4,115.02
  4. Step 4: Simplify right side
    5,291.14x = 32,609,722.89
  5. Step 5: Solve for x
    x = 32,609,722.89/5,291.14
  6. Step 6: Final answer
    x = 6,163.08

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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.