Home / 2,841.24-3,921.48-1,662.60

Finding the Fourth Proportional to 2,841.24, 3,921.48 and 1,662.60

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Solution

The fourth proportional to 2,841.24, 3,921.48 and 1,662.60 is: 2,294.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.24 : 3,921.48 = 1,662.60 : x
  2. Step 2: Convert to fraction form
    2,841.24/3,921.48 = 1,662.60/x
  3. Step 3: Cross multiply
    2,841.24x = 3,921.48 × 1,662.60
  4. Step 4: Simplify right side
    2,841.24x = 6,519,852.65
  5. Step 5: Solve for x
    x = 6,519,852.65/2,841.24
  6. Step 6: Final answer
    x = 2,294.72

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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.