Home / 4,236.88-6,355.38-1,315

Finding the Fourth Proportional to 4,236.88, 6,355.38 and 1,315

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Solution

The fourth proportional to 4,236.88, 6,355.38 and 1,315 is: 1,972.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,236.88 : 6,355.38 = 1,315 : x
  2. Step 2: Convert to fraction form
    4,236.88/6,355.38 = 1,315/x
  3. Step 3: Cross multiply
    4,236.88x = 6,355.38 × 1,315
  4. Step 4: Simplify right side
    4,236.88x = 8,357,324.70
  5. Step 5: Solve for x
    x = 8,357,324.70/4,236.88
  6. Step 6: Final answer
    x = 1,972.52

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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.