Home / 4,772.12-6,578.15-3,176.15

Finding the Fourth Proportional to 4,772.12, 6,578.15 and 3,176.15

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Solution

The fourth proportional to 4,772.12, 6,578.15 and 3,176.15 is: 4,378.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.12 : 6,578.15 = 3,176.15 : x
  2. Step 2: Convert to fraction form
    4,772.12/6,578.15 = 3,176.15/x
  3. Step 3: Cross multiply
    4,772.12x = 6,578.15 × 3,176.15
  4. Step 4: Simplify right side
    4,772.12x = 20,893,142.35
  5. Step 5: Solve for x
    x = 20,893,142.35/4,772.12
  6. Step 6: Final answer
    x = 4,378.17

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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.