Home / 2,722.47-3,755.01-1,776.75

Finding the Fourth Proportional to 2,722.47, 3,755.01 and 1,776.75

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Solution

The fourth proportional to 2,722.47, 3,755.01 and 1,776.75 is: 2,450.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.47 : 3,755.01 = 1,776.75 : x
  2. Step 2: Convert to fraction form
    2,722.47/3,755.01 = 1,776.75/x
  3. Step 3: Cross multiply
    2,722.47x = 3,755.01 × 1,776.75
  4. Step 4: Simplify right side
    2,722.47x = 6,671,714.02
  5. Step 5: Solve for x
    x = 6,671,714.02/2,722.47
  6. Step 6: Final answer
    x = 2,450.61

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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.