Home / 6,074.98-8,382.81-3,421.84

Finding the Fourth Proportional to 6,074.98, 8,382.81 and 3,421.84

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Solution

The fourth proportional to 6,074.98, 8,382.81 and 3,421.84 is: 4,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,074.98 : 8,382.81 = 3,421.84 : x
  2. Step 2: Convert to fraction form
    6,074.98/8,382.81 = 3,421.84/x
  3. Step 3: Cross multiply
    6,074.98x = 8,382.81 × 3,421.84
  4. Step 4: Simplify right side
    6,074.98x = 28,684,634.57
  5. Step 5: Solve for x
    x = 28,684,634.57/6,074.98
  6. Step 6: Final answer
    x = 4,721.77

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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.