Home / 2,346.18-3,515.37-1,421.97

Finding the Fourth Proportional to 2,346.18, 3,515.37 and 1,421.97

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Solution

The fourth proportional to 2,346.18, 3,515.37 and 1,421.97 is: 2,130.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.18 : 3,515.37 = 1,421.97 : x
  2. Step 2: Convert to fraction form
    2,346.18/3,515.37 = 1,421.97/x
  3. Step 3: Cross multiply
    2,346.18x = 3,515.37 × 1,421.97
  4. Step 4: Simplify right side
    2,346.18x = 4,998,750.68
  5. Step 5: Solve for x
    x = 4,998,750.68/2,346.18
  6. Step 6: Final answer
    x = 2,130.59

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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.