Home / 4,975.20-7,454.70-4,246.20

Finding the Fourth Proportional to 4,975.20, 7,454.70 and 4,246.20

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Solution

The fourth proportional to 4,975.20, 7,454.70 and 4,246.20 is: 6,362.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.20 : 7,454.70 = 4,246.20 : x
  2. Step 2: Convert to fraction form
    4,975.20/7,454.70 = 4,246.20/x
  3. Step 3: Cross multiply
    4,975.20x = 7,454.70 × 4,246.20
  4. Step 4: Simplify right side
    4,975.20x = 31,654,147.14
  5. Step 5: Solve for x
    x = 31,654,147.14/4,975.20
  6. Step 6: Final answer
    x = 6,362.39

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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.