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Finding the Fourth Proportional to 3,807, 5,253.66 and 2,482.95

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Solution

The fourth proportional to 3,807, 5,253.66 and 2,482.95 is: 3,426.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807 : 5,253.66 = 2,482.95 : x
  2. Step 2: Convert to fraction form
    3,807/5,253.66 = 2,482.95/x
  3. Step 3: Cross multiply
    3,807x = 5,253.66 × 2,482.95
  4. Step 4: Simplify right side
    3,807x = 13,044,594.80
  5. Step 5: Solve for x
    x = 13,044,594.80/3,807
  6. Step 6: Final answer
    x = 3,426.48

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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.