Home / 2,664.90-3,676.59-1,670.22

Finding the Fourth Proportional to 2,664.90, 3,676.59 and 1,670.22

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Solution

The fourth proportional to 2,664.90, 3,676.59 and 1,670.22 is: 2,304.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664.90 : 3,676.59 = 1,670.22 : x
  2. Step 2: Convert to fraction form
    2,664.90/3,676.59 = 1,670.22/x
  3. Step 3: Cross multiply
    2,664.90x = 3,676.59 × 1,670.22
  4. Step 4: Simplify right side
    2,664.90x = 6,140,714.15
  5. Step 5: Solve for x
    x = 6,140,714.15/2,664.90
  6. Step 6: Final answer
    x = 2,304.29

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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.