Home / 2,958.96-4,082.40-1,699.68

Finding the Fourth Proportional to 2,958.96, 4,082.40 and 1,699.68

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Solution

The fourth proportional to 2,958.96, 4,082.40 and 1,699.68 is: 2,345.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.96 : 4,082.40 = 1,699.68 : x
  2. Step 2: Convert to fraction form
    2,958.96/4,082.40 = 1,699.68/x
  3. Step 3: Cross multiply
    2,958.96x = 4,082.40 × 1,699.68
  4. Step 4: Simplify right side
    2,958.96x = 6,938,773.63
  5. Step 5: Solve for x
    x = 6,938,773.63/2,958.96
  6. Step 6: Final answer
    x = 2,345.00

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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.