Home / 7,454.13-11,181.57-1,907.52

Finding the Fourth Proportional to 7,454.13, 11,181.57 and 1,907.52

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Solution

The fourth proportional to 7,454.13, 11,181.57 and 1,907.52 is: 2,861.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.13 : 11,181.57 = 1,907.52 : x
  2. Step 2: Convert to fraction form
    7,454.13/11,181.57 = 1,907.52/x
  3. Step 3: Cross multiply
    7,454.13x = 11,181.57 × 1,907.52
  4. Step 4: Simplify right side
    7,454.13x = 21,329,002.96
  5. Step 5: Solve for x
    x = 21,329,002.96/7,454.13
  6. Step 6: Final answer
    x = 2,861.37

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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.