Home / 3,880.08-5,817.96-2,152.08

Finding the Fourth Proportional to 3,880.08, 5,817.96 and 2,152.08

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Solution

The fourth proportional to 3,880.08, 5,817.96 and 2,152.08 is: 3,226.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880.08 : 5,817.96 = 2,152.08 : x
  2. Step 2: Convert to fraction form
    3,880.08/5,817.96 = 2,152.08/x
  3. Step 3: Cross multiply
    3,880.08x = 5,817.96 × 2,152.08
  4. Step 4: Simplify right side
    3,880.08x = 12,520,715.36
  5. Step 5: Solve for x
    x = 12,520,715.36/3,880.08
  6. Step 6: Final answer
    x = 3,226.92

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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.