Home / 5,364.84-7,403.88-3,240.90

Finding the Fourth Proportional to 5,364.84, 7,403.88 and 3,240.90

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Solution

The fourth proportional to 5,364.84, 7,403.88 and 3,240.90 is: 4,472.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364.84 : 7,403.88 = 3,240.90 : x
  2. Step 2: Convert to fraction form
    5,364.84/7,403.88 = 3,240.90/x
  3. Step 3: Cross multiply
    5,364.84x = 7,403.88 × 3,240.90
  4. Step 4: Simplify right side
    5,364.84x = 23,995,234.69
  5. Step 5: Solve for x
    x = 23,995,234.69/5,364.84
  6. Step 6: Final answer
    x = 4,472.68

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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.