Home / 7,454.12-10,286.87-4,097.02

Finding the Fourth Proportional to 7,454.12, 10,286.87 and 4,097.02

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Solution

The fourth proportional to 7,454.12, 10,286.87 and 4,097.02 is: 5,653.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.12 : 10,286.87 = 4,097.02 : x
  2. Step 2: Convert to fraction form
    7,454.12/10,286.87 = 4,097.02/x
  3. Step 3: Cross multiply
    7,454.12x = 10,286.87 × 4,097.02
  4. Step 4: Simplify right side
    7,454.12x = 42,145,496.65
  5. Step 5: Solve for x
    x = 42,145,496.65/7,454.12
  6. Step 6: Final answer
    x = 5,653.99

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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.