Home / 5,122.05-7,079.70-4,672.24

Finding the Fourth Proportional to 5,122.05, 7,079.70 and 4,672.24

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Solution

The fourth proportional to 5,122.05, 7,079.70 and 4,672.24 is: 6,457.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.05 : 7,079.70 = 4,672.24 : x
  2. Step 2: Convert to fraction form
    5,122.05/7,079.70 = 4,672.24/x
  3. Step 3: Cross multiply
    5,122.05x = 7,079.70 × 4,672.24
  4. Step 4: Simplify right side
    5,122.05x = 33,078,057.35
  5. Step 5: Solve for x
    x = 33,078,057.35/5,122.05
  6. Step 6: Final answer
    x = 6,457.98

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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.