Home / 5,123.36-7,063.86-4,272.99

Finding the Fourth Proportional to 5,123.36, 7,063.86 and 4,272.99

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Solution

The fourth proportional to 5,123.36, 7,063.86 and 4,272.99 is: 5,891.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123.36 : 7,063.86 = 4,272.99 : x
  2. Step 2: Convert to fraction form
    5,123.36/7,063.86 = 4,272.99/x
  3. Step 3: Cross multiply
    5,123.36x = 7,063.86 × 4,272.99
  4. Step 4: Simplify right side
    5,123.36x = 30,183,803.14
  5. Step 5: Solve for x
    x = 30,183,803.14/5,123.36
  6. Step 6: Final answer
    x = 5,891.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.