Home / 4,971.23-7,456.78-1,273.43

Finding the Fourth Proportional to 4,971.23, 7,456.78 and 1,273.43

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Solution

The fourth proportional to 4,971.23, 7,456.78 and 1,273.43 is: 1,910.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.23 : 7,456.78 = 1,273.43 : x
  2. Step 2: Convert to fraction form
    4,971.23/7,456.78 = 1,273.43/x
  3. Step 3: Cross multiply
    4,971.23x = 7,456.78 × 1,273.43
  4. Step 4: Simplify right side
    4,971.23x = 9,495,687.36
  5. Step 5: Solve for x
    x = 9,495,687.36/4,971.23
  6. Step 6: Final answer
    x = 1,910.13

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1.5x scale

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.