Home / 2,867.42-4,301.60-1,406.70

Finding the Fourth Proportional to 2,867.42, 4,301.60 and 1,406.70

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Solution

The fourth proportional to 2,867.42, 4,301.60 and 1,406.70 is: 2,110.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.42 : 4,301.60 = 1,406.70 : x
  2. Step 2: Convert to fraction form
    2,867.42/4,301.60 = 1,406.70/x
  3. Step 3: Cross multiply
    2,867.42x = 4,301.60 × 1,406.70
  4. Step 4: Simplify right side
    2,867.42x = 6,051,053.69
  5. Step 5: Solve for x
    x = 6,051,053.69/2,867.42
  6. Step 6: Final answer
    x = 2,110.28

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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.