Home / 5,269.90-7,271.49-3,381.82

Finding the Fourth Proportional to 5,269.90, 7,271.49 and 3,381.82

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Solution

The fourth proportional to 5,269.90, 7,271.49 and 3,381.82 is: 4,666.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.90 : 7,271.49 = 3,381.82 : x
  2. Step 2: Convert to fraction form
    5,269.90/7,271.49 = 3,381.82/x
  3. Step 3: Cross multiply
    5,269.90x = 7,271.49 × 3,381.82
  4. Step 4: Simplify right side
    5,269.90x = 24,590,870.31
  5. Step 5: Solve for x
    x = 24,590,870.31/5,269.90
  6. Step 6: Final answer
    x = 4,666.29

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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.