Home / 5,383.03-7,427.91-3,114.76

Finding the Fourth Proportional to 5,383.03, 7,427.91 and 3,114.76

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Solution

The fourth proportional to 5,383.03, 7,427.91 and 3,114.76 is: 4,297.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.03 : 7,427.91 = 3,114.76 : x
  2. Step 2: Convert to fraction form
    5,383.03/7,427.91 = 3,114.76/x
  3. Step 3: Cross multiply
    5,383.03x = 7,427.91 × 3,114.76
  4. Step 4: Simplify right side
    5,383.03x = 23,136,138.38
  5. Step 5: Solve for x
    x = 23,136,138.38/5,383.03
  6. Step 6: Final answer
    x = 4,297.98

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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.