Home / 3,566.24-4,921.52-1,994.40

Finding the Fourth Proportional to 3,566.24, 4,921.52 and 1,994.40

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Solution

The fourth proportional to 3,566.24, 4,921.52 and 1,994.40 is: 2,752.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,566.24 : 4,921.52 = 1,994.40 : x
  2. Step 2: Convert to fraction form
    3,566.24/4,921.52 = 1,994.40/x
  3. Step 3: Cross multiply
    3,566.24x = 4,921.52 × 1,994.40
  4. Step 4: Simplify right side
    3,566.24x = 9,815,479.49
  5. Step 5: Solve for x
    x = 9,815,479.49/3,566.24
  6. Step 6: Final answer
    x = 2,752.33

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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.