Home / 5,451.63-8,175.71-1,752.98

Finding the Fourth Proportional to 5,451.63, 8,175.71 and 1,752.98

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Solution

The fourth proportional to 5,451.63, 8,175.71 and 1,752.98 is: 2,628.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.63 : 8,175.71 = 1,752.98 : x
  2. Step 2: Convert to fraction form
    5,451.63/8,175.71 = 1,752.98/x
  3. Step 3: Cross multiply
    5,451.63x = 8,175.71 × 1,752.98
  4. Step 4: Simplify right side
    5,451.63x = 14,331,806.47
  5. Step 5: Solve for x
    x = 14,331,806.47/5,451.63
  6. Step 6: Final answer
    x = 2,628.90

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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.