Home / 2,994.57-4,132.64-1,668.28

Finding the Fourth Proportional to 2,994.57, 4,132.64 and 1,668.28

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Solution

The fourth proportional to 2,994.57, 4,132.64 and 1,668.28 is: 2,302.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994.57 : 4,132.64 = 1,668.28 : x
  2. Step 2: Convert to fraction form
    2,994.57/4,132.64 = 1,668.28/x
  3. Step 3: Cross multiply
    2,994.57x = 4,132.64 × 1,668.28
  4. Step 4: Simplify right side
    2,994.57x = 6,894,375.83
  5. Step 5: Solve for x
    x = 6,894,375.83/2,994.57
  6. Step 6: Final answer
    x = 2,302.29

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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.