Home / 5,269.40-7,273.98-3,173.72

Finding the Fourth Proportional to 5,269.40, 7,273.98 and 3,173.72

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Solution

The fourth proportional to 5,269.40, 7,273.98 and 3,173.72 is: 4,381.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.40 : 7,273.98 = 3,173.72 : x
  2. Step 2: Convert to fraction form
    5,269.40/7,273.98 = 3,173.72/x
  3. Step 3: Cross multiply
    5,269.40x = 7,273.98 × 3,173.72
  4. Step 4: Simplify right side
    5,269.40x = 23,085,575.81
  5. Step 5: Solve for x
    x = 23,085,575.81/5,269.40
  6. Step 6: Final answer
    x = 4,381.06

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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.