Home / 3,582.45-4,945.01-2,166.93

Finding the Fourth Proportional to 3,582.45, 4,945.01 and 2,166.93

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Solution

The fourth proportional to 3,582.45, 4,945.01 and 2,166.93 is: 2,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.45 : 4,945.01 = 2,166.93 : x
  2. Step 2: Convert to fraction form
    3,582.45/4,945.01 = 2,166.93/x
  3. Step 3: Cross multiply
    3,582.45x = 4,945.01 × 2,166.93
  4. Step 4: Simplify right side
    3,582.45x = 10,715,479.68
  5. Step 5: Solve for x
    x = 10,715,479.68/3,582.45
  6. Step 6: Final answer
    x = 2,991.10

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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.