Home / 2,955.29-4,078.08-1,777.01

Finding the Fourth Proportional to 2,955.29, 4,078.08 and 1,777.01

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Solution

The fourth proportional to 2,955.29, 4,078.08 and 1,777.01 is: 2,452.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.29 : 4,078.08 = 1,777.01 : x
  2. Step 2: Convert to fraction form
    2,955.29/4,078.08 = 1,777.01/x
  3. Step 3: Cross multiply
    2,955.29x = 4,078.08 × 1,777.01
  4. Step 4: Simplify right side
    2,955.29x = 7,246,768.55
  5. Step 5: Solve for x
    x = 7,246,768.55/2,955.29
  6. Step 6: Final answer
    x = 2,452.14

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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.