Home / 7,251.08-10,874.84-2,807.28

Finding the Fourth Proportional to 7,251.08, 10,874.84 and 2,807.28

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Solution

The fourth proportional to 7,251.08, 10,874.84 and 2,807.28 is: 4,210.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.08 : 10,874.84 = 2,807.28 : x
  2. Step 2: Convert to fraction form
    7,251.08/10,874.84 = 2,807.28/x
  3. Step 3: Cross multiply
    7,251.08x = 10,874.84 × 2,807.28
  4. Step 4: Simplify right side
    7,251.08x = 30,528,706.80
  5. Step 5: Solve for x
    x = 30,528,706.80/7,251.08
  6. Step 6: Final answer
    x = 4,210.23

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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.