Home / 4,809.92-7,213.62-2,176.40

Finding the Fourth Proportional to 4,809.92, 7,213.62 and 2,176.40

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Solution

The fourth proportional to 4,809.92, 7,213.62 and 2,176.40 is: 3,264.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.92 : 7,213.62 = 2,176.40 : x
  2. Step 2: Convert to fraction form
    4,809.92/7,213.62 = 2,176.40/x
  3. Step 3: Cross multiply
    4,809.92x = 7,213.62 × 2,176.40
  4. Step 4: Simplify right side
    4,809.92x = 15,699,722.57
  5. Step 5: Solve for x
    x = 15,699,722.57/4,809.92
  6. Step 6: Final answer
    x = 3,264.03

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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.