Home / 5,053.66-7,580.52-2,131.58

Finding the Fourth Proportional to 5,053.66, 7,580.52 and 2,131.58

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Solution

The fourth proportional to 5,053.66, 7,580.52 and 2,131.58 is: 3,197.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.66 : 7,580.52 = 2,131.58 : x
  2. Step 2: Convert to fraction form
    5,053.66/7,580.52 = 2,131.58/x
  3. Step 3: Cross multiply
    5,053.66x = 7,580.52 × 2,131.58
  4. Step 4: Simplify right side
    5,053.66x = 16,158,503.77
  5. Step 5: Solve for x
    x = 16,158,503.77/5,053.66
  6. Step 6: Final answer
    x = 3,197.39

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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.