Home / 3,355.28-4,630.52-1,958.32

Finding the Fourth Proportional to 3,355.28, 4,630.52 and 1,958.32

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Solution

The fourth proportional to 3,355.28, 4,630.52 and 1,958.32 is: 2,702.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.28 : 4,630.52 = 1,958.32 : x
  2. Step 2: Convert to fraction form
    3,355.28/4,630.52 = 1,958.32/x
  3. Step 3: Cross multiply
    3,355.28x = 4,630.52 × 1,958.32
  4. Step 4: Simplify right side
    3,355.28x = 9,068,039.93
  5. Step 5: Solve for x
    x = 9,068,039.93/3,355.28
  6. Step 6: Final answer
    x = 2,702.62

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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.