Home / 2,958.28-4,434.64-1,009.16

Finding the Fourth Proportional to 2,958.28, 4,434.64 and 1,009.16

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Solution

The fourth proportional to 2,958.28, 4,434.64 and 1,009.16 is: 1,512.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.28 : 4,434.64 = 1,009.16 : x
  2. Step 2: Convert to fraction form
    2,958.28/4,434.64 = 1,009.16/x
  3. Step 3: Cross multiply
    2,958.28x = 4,434.64 × 1,009.16
  4. Step 4: Simplify right side
    2,958.28x = 4,475,261.30
  5. Step 5: Solve for x
    x = 4,475,261.30/2,958.28
  6. Step 6: Final answer
    x = 1,512.79

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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.