Home / 4,784.36-7,173.68-1,972.35

Finding the Fourth Proportional to 4,784.36, 7,173.68 and 1,972.35

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Solution

The fourth proportional to 4,784.36, 7,173.68 and 1,972.35 is: 2,957.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.36 : 7,173.68 = 1,972.35 : x
  2. Step 2: Convert to fraction form
    4,784.36/7,173.68 = 1,972.35/x
  3. Step 3: Cross multiply
    4,784.36x = 7,173.68 × 1,972.35
  4. Step 4: Simplify right side
    4,784.36x = 14,148,997.89
  5. Step 5: Solve for x
    x = 14,148,997.89/4,784.36
  6. Step 6: Final answer
    x = 2,957.35

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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.