Home / 3,135.50-4,703.28-944.18

Finding the Fourth Proportional to 3,135.50, 4,703.28 and 944.18

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Solution

The fourth proportional to 3,135.50, 4,703.28 and 944.18 is: 1,416.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.50 : 4,703.28 = 944.18 : x
  2. Step 2: Convert to fraction form
    3,135.50/4,703.28 = 944.18/x
  3. Step 3: Cross multiply
    3,135.50x = 4,703.28 × 944.18
  4. Step 4: Simplify right side
    3,135.50x = 4,440,742.91
  5. Step 5: Solve for x
    x = 4,440,742.91/3,135.50
  6. Step 6: Final answer
    x = 1,416.28

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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.