Home / 5,520.84-7,618.23-3,162.66

Finding the Fourth Proportional to 5,520.84, 7,618.23 and 3,162.66

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Solution

The fourth proportional to 5,520.84, 7,618.23 and 3,162.66 is: 4,364.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.84 : 7,618.23 = 3,162.66 : x
  2. Step 2: Convert to fraction form
    5,520.84/7,618.23 = 3,162.66/x
  3. Step 3: Cross multiply
    5,520.84x = 7,618.23 × 3,162.66
  4. Step 4: Simplify right side
    5,520.84x = 24,093,871.29
  5. Step 5: Solve for x
    x = 24,093,871.29/5,520.84
  6. Step 6: Final answer
    x = 4,364.17

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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.