Home / 7,103.22-10,653.57-1,907.88

Finding the Fourth Proportional to 7,103.22, 10,653.57 and 1,907.88

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Solution

The fourth proportional to 7,103.22, 10,653.57 and 1,907.88 is: 2,861.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.22 : 10,653.57 = 1,907.88 : x
  2. Step 2: Convert to fraction form
    7,103.22/10,653.57 = 1,907.88/x
  3. Step 3: Cross multiply
    7,103.22x = 10,653.57 × 1,907.88
  4. Step 4: Simplify right side
    7,103.22x = 20,325,733.13
  5. Step 5: Solve for x
    x = 20,325,733.13/7,103.22
  6. Step 6: Final answer
    x = 2,861.48

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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.