Home / 5,133.85-7,084.11-2,895.60

Finding the Fourth Proportional to 5,133.85, 7,084.11 and 2,895.60

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Solution

The fourth proportional to 5,133.85, 7,084.11 and 2,895.60 is: 3,995.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.85 : 7,084.11 = 2,895.60 : x
  2. Step 2: Convert to fraction form
    5,133.85/7,084.11 = 2,895.60/x
  3. Step 3: Cross multiply
    5,133.85x = 7,084.11 × 2,895.60
  4. Step 4: Simplify right side
    5,133.85x = 20,512,730.20
  5. Step 5: Solve for x
    x = 20,512,730.20/5,133.85
  6. Step 6: Final answer
    x = 3,995.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.