Home / 7,280.62-10,920.02-2,349.74

Finding the Fourth Proportional to 7,280.62, 10,920.02 and 2,349.74

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Solution

The fourth proportional to 7,280.62, 10,920.02 and 2,349.74 is: 3,524.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.62 : 10,920.02 = 2,349.74 : x
  2. Step 2: Convert to fraction form
    7,280.62/10,920.02 = 2,349.74/x
  3. Step 3: Cross multiply
    7,280.62x = 10,920.02 × 2,349.74
  4. Step 4: Simplify right side
    7,280.62x = 25,659,223.35
  5. Step 5: Solve for x
    x = 25,659,223.35/7,280.62
  6. Step 6: Final answer
    x = 3,524.32

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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.