Home / 7,153.20-10,730.25-2,226.06

Finding the Fourth Proportional to 7,153.20, 10,730.25 and 2,226.06

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Solution

The fourth proportional to 7,153.20, 10,730.25 and 2,226.06 is: 3,339.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.20 : 10,730.25 = 2,226.06 : x
  2. Step 2: Convert to fraction form
    7,153.20/10,730.25 = 2,226.06/x
  3. Step 3: Cross multiply
    7,153.20x = 10,730.25 × 2,226.06
  4. Step 4: Simplify right side
    7,153.20x = 23,886,180.32
  5. Step 5: Solve for x
    x = 23,886,180.32/7,153.20
  6. Step 6: Final answer
    x = 3,339.23

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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.