Home / 4,723.52-7,085.12-1,948.12

Finding the Fourth Proportional to 4,723.52, 7,085.12 and 1,948.12

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Solution

The fourth proportional to 4,723.52, 7,085.12 and 1,948.12 is: 2,922.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,723.52 : 7,085.12 = 1,948.12 : x
  2. Step 2: Convert to fraction form
    4,723.52/7,085.12 = 1,948.12/x
  3. Step 3: Cross multiply
    4,723.52x = 7,085.12 × 1,948.12
  4. Step 4: Simplify right side
    4,723.52x = 13,802,663.97
  5. Step 5: Solve for x
    x = 13,802,663.97/4,723.52
  6. Step 6: Final answer
    x = 2,922.11

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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.