Home / 5,431.16-7,495.30-3,193.76

Finding the Fourth Proportional to 5,431.16, 7,495.30 and 3,193.76

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Solution

The fourth proportional to 5,431.16, 7,495.30 and 3,193.76 is: 4,407.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.16 : 7,495.30 = 3,193.76 : x
  2. Step 2: Convert to fraction form
    5,431.16/7,495.30 = 3,193.76/x
  3. Step 3: Cross multiply
    5,431.16x = 7,495.30 × 3,193.76
  4. Step 4: Simplify right side
    5,431.16x = 23,938,189.33
  5. Step 5: Solve for x
    x = 23,938,189.33/5,431.16
  6. Step 6: Final answer
    x = 4,407.56

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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.