Home / 5,007.90-7,500.88-2,538.48

Finding the Fourth Proportional to 5,007.90, 7,500.88 and 2,538.48

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Solution

The fourth proportional to 5,007.90, 7,500.88 and 2,538.48 is: 3,802.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.90 : 7,500.88 = 2,538.48 : x
  2. Step 2: Convert to fraction form
    5,007.90/7,500.88 = 2,538.48/x
  3. Step 3: Cross multiply
    5,007.90x = 7,500.88 × 2,538.48
  4. Step 4: Simplify right side
    5,007.90x = 19,040,833.86
  5. Step 5: Solve for x
    x = 19,040,833.86/5,007.90
  6. Step 6: Final answer
    x = 3,802.16

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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.