Home / 5,324.82-7,348.98-3,087.40

Finding the Fourth Proportional to 5,324.82, 7,348.98 and 3,087.40

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Solution

The fourth proportional to 5,324.82, 7,348.98 and 3,087.40 is: 4,261.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324.82 : 7,348.98 = 3,087.40 : x
  2. Step 2: Convert to fraction form
    5,324.82/7,348.98 = 3,087.40/x
  3. Step 3: Cross multiply
    5,324.82x = 7,348.98 × 3,087.40
  4. Step 4: Simplify right side
    5,324.82x = 22,689,240.85
  5. Step 5: Solve for x
    x = 22,689,240.85/5,324.82
  6. Step 6: Final answer
    x = 4,261.03

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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.