Home / 5,389.88-7,436.21-3,264.84

Finding the Fourth Proportional to 5,389.88, 7,436.21 and 3,264.84

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Solution

The fourth proportional to 5,389.88, 7,436.21 and 3,264.84 is: 4,504.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.88 : 7,436.21 = 3,264.84 : x
  2. Step 2: Convert to fraction form
    5,389.88/7,436.21 = 3,264.84/x
  3. Step 3: Cross multiply
    5,389.88x = 7,436.21 × 3,264.84
  4. Step 4: Simplify right side
    5,389.88x = 24,278,019.53
  5. Step 5: Solve for x
    x = 24,278,019.53/5,389.88
  6. Step 6: Final answer
    x = 4,504.38

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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.