Home / 4,479.82-6,685.85-4,363.18

Finding the Fourth Proportional to 4,479.82, 6,685.85 and 4,363.18

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Solution

The fourth proportional to 4,479.82, 6,685.85 and 4,363.18 is: 6,511.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.82 : 6,685.85 = 4,363.18 : x
  2. Step 2: Convert to fraction form
    4,479.82/6,685.85 = 4,363.18/x
  3. Step 3: Cross multiply
    4,479.82x = 6,685.85 × 4,363.18
  4. Step 4: Simplify right side
    4,479.82x = 29,171,561.20
  5. Step 5: Solve for x
    x = 29,171,561.20/4,479.82
  6. Step 6: Final answer
    x = 6,511.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.