Home / 4,784.49-7,176.70-1,664.49

Finding the Fourth Proportional to 4,784.49, 7,176.70 and 1,664.49

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Solution

The fourth proportional to 4,784.49, 7,176.70 and 1,664.49 is: 2,496.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.49 : 7,176.70 = 1,664.49 : x
  2. Step 2: Convert to fraction form
    4,784.49/7,176.70 = 1,664.49/x
  3. Step 3: Cross multiply
    4,784.49x = 7,176.70 × 1,664.49
  4. Step 4: Simplify right side
    4,784.49x = 11,945,541.22
  5. Step 5: Solve for x
    x = 11,945,541.22/4,784.49
  6. Step 6: Final answer
    x = 2,496.72

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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.