Home / 3,318.57-4,582.26-1,994.07

Finding the Fourth Proportional to 3,318.57, 4,582.26 and 1,994.07

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Solution

The fourth proportional to 3,318.57, 4,582.26 and 1,994.07 is: 2,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.57 : 4,582.26 = 1,994.07 : x
  2. Step 2: Convert to fraction form
    3,318.57/4,582.26 = 1,994.07/x
  3. Step 3: Cross multiply
    3,318.57x = 4,582.26 × 1,994.07
  4. Step 4: Simplify right side
    3,318.57x = 9,137,347.20
  5. Step 5: Solve for x
    x = 9,137,347.20/3,318.57
  6. Step 6: Final answer
    x = 2,753.40

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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.