Home / 5,411.22-8,077.70-4,755.12

Finding the Fourth Proportional to 5,411.22, 8,077.70 and 4,755.12

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Solution

The fourth proportional to 5,411.22, 8,077.70 and 4,755.12 is: 7,098.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.22 : 8,077.70 = 4,755.12 : x
  2. Step 2: Convert to fraction form
    5,411.22/8,077.70 = 4,755.12/x
  3. Step 3: Cross multiply
    5,411.22x = 8,077.70 × 4,755.12
  4. Step 4: Simplify right side
    5,411.22x = 38,410,432.82
  5. Step 5: Solve for x
    x = 38,410,432.82/5,411.22
  6. Step 6: Final answer
    x = 7,098.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.