Home / 4,117.60-6,176.40-1,928.44

Finding the Fourth Proportional to 4,117.60, 6,176.40 and 1,928.44

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Solution

The fourth proportional to 4,117.60, 6,176.40 and 1,928.44 is: 2,892.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.60 : 6,176.40 = 1,928.44 : x
  2. Step 2: Convert to fraction form
    4,117.60/6,176.40 = 1,928.44/x
  3. Step 3: Cross multiply
    4,117.60x = 6,176.40 × 1,928.44
  4. Step 4: Simplify right side
    4,117.60x = 11,910,816.82
  5. Step 5: Solve for x
    x = 11,910,816.82/4,117.60
  6. Step 6: Final answer
    x = 2,892.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.