Home / 6,074.48-8,382.70-3,421.92

Finding the Fourth Proportional to 6,074.48, 8,382.70 and 3,421.92

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Solution

The fourth proportional to 6,074.48, 8,382.70 and 3,421.92 is: 4,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,074.48 : 8,382.70 = 3,421.92 : x
  2. Step 2: Convert to fraction form
    6,074.48/8,382.70 = 3,421.92/x
  3. Step 3: Cross multiply
    6,074.48x = 8,382.70 × 3,421.92
  4. Step 4: Simplify right side
    6,074.48x = 28,684,928.78
  5. Step 5: Solve for x
    x = 28,684,928.78/6,074.48
  6. Step 6: Final answer
    x = 4,722.20

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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.