Home / 4,665.32-6,425.12-3,872.08

Finding the Fourth Proportional to 4,665.32, 6,425.12 and 3,872.08

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Solution

The fourth proportional to 4,665.32, 6,425.12 and 3,872.08 is: 5,332.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665.32 : 6,425.12 = 3,872.08 : x
  2. Step 2: Convert to fraction form
    4,665.32/6,425.12 = 3,872.08/x
  3. Step 3: Cross multiply
    4,665.32x = 6,425.12 × 3,872.08
  4. Step 4: Simplify right side
    4,665.32x = 24,878,578.65
  5. Step 5: Solve for x
    x = 24,878,578.65/4,665.32
  6. Step 6: Final answer
    x = 5,332.66

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Half scale
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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.