Home / 4,272.76-6,405.48-1,675.10

Finding the Fourth Proportional to 4,272.76, 6,405.48 and 1,675.10

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Solution

The fourth proportional to 4,272.76, 6,405.48 and 1,675.10 is: 2,511.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.76 : 6,405.48 = 1,675.10 : x
  2. Step 2: Convert to fraction form
    4,272.76/6,405.48 = 1,675.10/x
  3. Step 3: Cross multiply
    4,272.76x = 6,405.48 × 1,675.10
  4. Step 4: Simplify right side
    4,272.76x = 10,729,819.55
  5. Step 5: Solve for x
    x = 10,729,819.55/4,272.76
  6. Step 6: Final answer
    x = 2,511.22

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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.