Home / 3,411.24-4,707.60-1,994.70

Finding the Fourth Proportional to 3,411.24, 4,707.60 and 1,994.70

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Solution

The fourth proportional to 3,411.24, 4,707.60 and 1,994.70 is: 2,752.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.24 : 4,707.60 = 1,994.70 : x
  2. Step 2: Convert to fraction form
    3,411.24/4,707.60 = 1,994.70/x
  3. Step 3: Cross multiply
    3,411.24x = 4,707.60 × 1,994.70
  4. Step 4: Simplify right side
    3,411.24x = 9,390,249.72
  5. Step 5: Solve for x
    x = 9,390,249.72/3,411.24
  6. Step 6: Final answer
    x = 2,752.74

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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.