Home / 3,046.50-4,204.35-1,720.17

Finding the Fourth Proportional to 3,046.50, 4,204.35 and 1,720.17

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Solution

The fourth proportional to 3,046.50, 4,204.35 and 1,720.17 is: 2,373.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.50 : 4,204.35 = 1,720.17 : x
  2. Step 2: Convert to fraction form
    3,046.50/4,204.35 = 1,720.17/x
  3. Step 3: Cross multiply
    3,046.50x = 4,204.35 × 1,720.17
  4. Step 4: Simplify right side
    3,046.50x = 7,232,196.74
  5. Step 5: Solve for x
    x = 7,232,196.74/3,046.50
  6. Step 6: Final answer
    x = 2,373.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.