Home / 7,135.28-9,848.66-4,151.69

Finding the Fourth Proportional to 7,135.28, 9,848.66 and 4,151.69

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Solution

The fourth proportional to 7,135.28, 9,848.66 and 4,151.69 is: 5,730.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.28 : 9,848.66 = 4,151.69 : x
  2. Step 2: Convert to fraction form
    7,135.28/9,848.66 = 4,151.69/x
  3. Step 3: Cross multiply
    7,135.28x = 9,848.66 × 4,151.69
  4. Step 4: Simplify right side
    7,135.28x = 40,888,581.30
  5. Step 5: Solve for x
    x = 40,888,581.30/7,135.28
  6. Step 6: Final answer
    x = 5,730.48

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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.