Home / 5,007.42-7,511.09-3,520.51

Finding the Fourth Proportional to 5,007.42, 7,511.09 and 3,520.51

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Solution

The fourth proportional to 5,007.42, 7,511.09 and 3,520.51 is: 5,280.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.42 : 7,511.09 = 3,520.51 : x
  2. Step 2: Convert to fraction form
    5,007.42/7,511.09 = 3,520.51/x
  3. Step 3: Cross multiply
    5,007.42x = 7,511.09 × 3,520.51
  4. Step 4: Simplify right side
    5,007.42x = 26,442,831.08
  5. Step 5: Solve for x
    x = 26,442,831.08/5,007.42
  6. Step 6: Final answer
    x = 5,280.73

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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.