Home / 3,298.42-4,549.26-1,971.87

Finding the Fourth Proportional to 3,298.42, 4,549.26 and 1,971.87

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Solution

The fourth proportional to 3,298.42, 4,549.26 and 1,971.87 is: 2,719.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.42 : 4,549.26 = 1,971.87 : x
  2. Step 2: Convert to fraction form
    3,298.42/4,549.26 = 1,971.87/x
  3. Step 3: Cross multiply
    3,298.42x = 4,549.26 × 1,971.87
  4. Step 4: Simplify right side
    3,298.42x = 8,970,549.32
  5. Step 5: Solve for x
    x = 8,970,549.32/3,298.42
  6. Step 6: Final answer
    x = 2,719.65

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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.