Home / 5,155.32-7,730.22-2,035.20

Finding the Fourth Proportional to 5,155.32, 7,730.22 and 2,035.20

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Solution

The fourth proportional to 5,155.32, 7,730.22 and 2,035.20 is: 3,051.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.32 : 7,730.22 = 2,035.20 : x
  2. Step 2: Convert to fraction form
    5,155.32/7,730.22 = 2,035.20/x
  3. Step 3: Cross multiply
    5,155.32x = 7,730.22 × 2,035.20
  4. Step 4: Simplify right side
    5,155.32x = 15,732,543.74
  5. Step 5: Solve for x
    x = 15,732,543.74/5,155.32
  6. Step 6: Final answer
    x = 3,051.71

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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.