Home / 3,078.37-4,617.54-1,434.01

Finding the Fourth Proportional to 3,078.37, 4,617.54 and 1,434.01

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Solution

The fourth proportional to 3,078.37, 4,617.54 and 1,434.01 is: 2,151.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.37 : 4,617.54 = 1,434.01 : x
  2. Step 2: Convert to fraction form
    3,078.37/4,617.54 = 1,434.01/x
  3. Step 3: Cross multiply
    3,078.37x = 4,617.54 × 1,434.01
  4. Step 4: Simplify right side
    3,078.37x = 6,621,598.54
  5. Step 5: Solve for x
    x = 6,621,598.54/3,078.37
  6. Step 6: Final answer
    x = 2,151.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.