Home / 5,038.91-7,520.25-4,907.69

Finding the Fourth Proportional to 5,038.91, 7,520.25 and 4,907.69

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Solution

The fourth proportional to 5,038.91, 7,520.25 and 4,907.69 is: 7,324.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.91 : 7,520.25 = 4,907.69 : x
  2. Step 2: Convert to fraction form
    5,038.91/7,520.25 = 4,907.69/x
  3. Step 3: Cross multiply
    5,038.91x = 7,520.25 × 4,907.69
  4. Step 4: Simplify right side
    5,038.91x = 36,907,018.12
  5. Step 5: Solve for x
    x = 36,907,018.12/5,038.91
  6. Step 6: Final answer
    x = 7,324.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.