Home / 2,549.67-3,525.47-2,221.62

Finding the Fourth Proportional to 2,549.67, 3,525.47 and 2,221.62

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Solution

The fourth proportional to 2,549.67, 3,525.47 and 2,221.62 is: 3,071.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.67 : 3,525.47 = 2,221.62 : x
  2. Step 2: Convert to fraction form
    2,549.67/3,525.47 = 2,221.62/x
  3. Step 3: Cross multiply
    2,549.67x = 3,525.47 × 2,221.62
  4. Step 4: Simplify right side
    2,549.67x = 7,832,254.66
  5. Step 5: Solve for x
    x = 7,832,254.66/2,549.67
  6. Step 6: Final answer
    x = 3,071.87

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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.