Home / 7,280.32-10,921.83-2,349.44

Finding the Fourth Proportional to 7,280.32, 10,921.83 and 2,349.44

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Solution

The fourth proportional to 7,280.32, 10,921.83 and 2,349.44 is: 3,524.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.32 : 10,921.83 = 2,349.44 : x
  2. Step 2: Convert to fraction form
    7,280.32/10,921.83 = 2,349.44/x
  3. Step 3: Cross multiply
    7,280.32x = 10,921.83 × 2,349.44
  4. Step 4: Simplify right side
    7,280.32x = 25,660,184.28
  5. Step 5: Solve for x
    x = 25,660,184.28/7,280.32
  6. Step 6: Final answer
    x = 3,524.60

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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.