Home / 7,272.48-10,035.54-4,042.12

Finding the Fourth Proportional to 7,272.48, 10,035.54 and 4,042.12

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Solution

The fourth proportional to 7,272.48, 10,035.54 and 4,042.12 is: 5,577.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.48 : 10,035.54 = 4,042.12 : x
  2. Step 2: Convert to fraction form
    7,272.48/10,035.54 = 4,042.12/x
  3. Step 3: Cross multiply
    7,272.48x = 10,035.54 × 4,042.12
  4. Step 4: Simplify right side
    7,272.48x = 40,564,856.94
  5. Step 5: Solve for x
    x = 40,564,856.94/7,272.48
  6. Step 6: Final answer
    x = 5,577.86

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1.5x scale

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.