Home / 7,151.76-10,730.61-2,992.68

Finding the Fourth Proportional to 7,151.76, 10,730.61 and 2,992.68

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Solution

The fourth proportional to 7,151.76, 10,730.61 and 2,992.68 is: 4,490.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.76 : 10,730.61 = 2,992.68 : x
  2. Step 2: Convert to fraction form
    7,151.76/10,730.61 = 2,992.68/x
  3. Step 3: Cross multiply
    7,151.76x = 10,730.61 × 2,992.68
  4. Step 4: Simplify right side
    7,151.76x = 32,113,281.93
  5. Step 5: Solve for x
    x = 32,113,281.93/7,151.76
  6. Step 6: Final answer
    x = 4,490.26

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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.