Home / 5,157.82-7,113.38-3,477

Finding the Fourth Proportional to 5,157.82, 7,113.38 and 3,477

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Solution

The fourth proportional to 5,157.82, 7,113.38 and 3,477 is: 4,795.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.82 : 7,113.38 = 3,477 : x
  2. Step 2: Convert to fraction form
    5,157.82/7,113.38 = 3,477/x
  3. Step 3: Cross multiply
    5,157.82x = 7,113.38 × 3,477
  4. Step 4: Simplify right side
    5,157.82x = 24,733,222.26
  5. Step 5: Solve for x
    x = 24,733,222.26/5,157.82
  6. Step 6: Final answer
    x = 4,795.29

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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.