Home / 3,317.25-4,972.77-1,124.45

Finding the Fourth Proportional to 3,317.25, 4,972.77 and 1,124.45

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Solution

The fourth proportional to 3,317.25, 4,972.77 and 1,124.45 is: 1,685.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.25 : 4,972.77 = 1,124.45 : x
  2. Step 2: Convert to fraction form
    3,317.25/4,972.77 = 1,124.45/x
  3. Step 3: Cross multiply
    3,317.25x = 4,972.77 × 1,124.45
  4. Step 4: Simplify right side
    3,317.25x = 5,591,631.23
  5. Step 5: Solve for x
    x = 5,591,631.23/3,317.25
  6. Step 6: Final answer
    x = 1,685.62

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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.