Home / 5,271.03-7,273.82-3,146.91

Finding the Fourth Proportional to 5,271.03, 7,273.82 and 3,146.91

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Solution

The fourth proportional to 5,271.03, 7,273.82 and 3,146.91 is: 4,342.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.03 : 7,273.82 = 3,146.91 : x
  2. Step 2: Convert to fraction form
    5,271.03/7,273.82 = 3,146.91/x
  3. Step 3: Cross multiply
    5,271.03x = 7,273.82 × 3,146.91
  4. Step 4: Simplify right side
    5,271.03x = 22,890,056.90
  5. Step 5: Solve for x
    x = 22,890,056.90/5,271.03
  6. Step 6: Final answer
    x = 4,342.62

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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.