Home / 3,473.45-4,795.59-3,099.78

Finding the Fourth Proportional to 3,473.45, 4,795.59 and 3,099.78

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Solution

The fourth proportional to 3,473.45, 4,795.59 and 3,099.78 is: 4,279.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,473.45 : 4,795.59 = 3,099.78 : x
  2. Step 2: Convert to fraction form
    3,473.45/4,795.59 = 3,099.78/x
  3. Step 3: Cross multiply
    3,473.45x = 4,795.59 × 3,099.78
  4. Step 4: Simplify right side
    3,473.45x = 14,865,258.47
  5. Step 5: Solve for x
    x = 14,865,258.47/3,473.45
  6. Step 6: Final answer
    x = 4,279.69

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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.