Home / 3,566.12-4,921.71-1,994.54

Finding the Fourth Proportional to 3,566.12, 4,921.71 and 1,994.54

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Solution

The fourth proportional to 3,566.12, 4,921.71 and 1,994.54 is: 2,752.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,566.12 : 4,921.71 = 1,994.54 : x
  2. Step 2: Convert to fraction form
    3,566.12/4,921.71 = 1,994.54/x
  3. Step 3: Cross multiply
    3,566.12x = 4,921.71 × 1,994.54
  4. Step 4: Simplify right side
    3,566.12x = 9,816,547.46
  5. Step 5: Solve for x
    x = 9,816,547.46/3,566.12
  6. Step 6: Final answer
    x = 2,752.72

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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.