Home / 5,521.75-7,622.84-4,259.98

Finding the Fourth Proportional to 5,521.75, 7,622.84 and 4,259.98

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Solution

The fourth proportional to 5,521.75, 7,622.84 and 4,259.98 is: 5,880.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.75 : 7,622.84 = 4,259.98 : x
  2. Step 2: Convert to fraction form
    5,521.75/7,622.84 = 4,259.98/x
  3. Step 3: Cross multiply
    5,521.75x = 7,622.84 × 4,259.98
  4. Step 4: Simplify right side
    5,521.75x = 32,473,145.94
  5. Step 5: Solve for x
    x = 32,473,145.94/5,521.75
  6. Step 6: Final answer
    x = 5,880.95

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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.