Home / 5,269.49-7,270.85-3,173.75

Finding the Fourth Proportional to 5,269.49, 7,270.85 and 3,173.75

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Solution

The fourth proportional to 5,269.49, 7,270.85 and 3,173.75 is: 4,379.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.49 : 7,270.85 = 3,173.75 : x
  2. Step 2: Convert to fraction form
    5,269.49/7,270.85 = 3,173.75/x
  3. Step 3: Cross multiply
    5,269.49x = 7,270.85 × 3,173.75
  4. Step 4: Simplify right side
    5,269.49x = 23,075,844.32
  5. Step 5: Solve for x
    x = 23,075,844.32/5,269.49
  6. Step 6: Final answer
    x = 4,379.14

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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.