Home / 7,151.76-10,730.04-4,516.20

Finding the Fourth Proportional to 7,151.76, 10,730.04 and 4,516.20

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Solution

The fourth proportional to 7,151.76, 10,730.04 and 4,516.20 is: 6,775.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.76 : 10,730.04 = 4,516.20 : x
  2. Step 2: Convert to fraction form
    7,151.76/10,730.04 = 4,516.20/x
  3. Step 3: Cross multiply
    7,151.76x = 10,730.04 × 4,516.20
  4. Step 4: Simplify right side
    7,151.76x = 48,459,006.65
  5. Step 5: Solve for x
    x = 48,459,006.65/7,151.76
  6. Step 6: Final answer
    x = 6,775.82

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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.