Home / 5,450.61-7,521.77-3,212.58

Finding the Fourth Proportional to 5,450.61, 7,521.77 and 3,212.58

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Solution

The fourth proportional to 5,450.61, 7,521.77 and 3,212.58 is: 4,433.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.61 : 7,521.77 = 3,212.58 : x
  2. Step 2: Convert to fraction form
    5,450.61/7,521.77 = 3,212.58/x
  3. Step 3: Cross multiply
    5,450.61x = 7,521.77 × 3,212.58
  4. Step 4: Simplify right side
    5,450.61x = 24,164,271.80
  5. Step 5: Solve for x
    x = 24,164,271.80/5,450.61
  6. Step 6: Final answer
    x = 4,433.32

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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.