Home / 5,195.90-7,170.53-2,957.96

Finding the Fourth Proportional to 5,195.90, 7,170.53 and 2,957.96

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Solution

The fourth proportional to 5,195.90, 7,170.53 and 2,957.96 is: 4,082.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.90 : 7,170.53 = 2,957.96 : x
  2. Step 2: Convert to fraction form
    5,195.90/7,170.53 = 2,957.96/x
  3. Step 3: Cross multiply
    5,195.90x = 7,170.53 × 2,957.96
  4. Step 4: Simplify right side
    5,195.90x = 21,210,090.28
  5. Step 5: Solve for x
    x = 21,210,090.28/5,195.90
  6. Step 6: Final answer
    x = 4,082.09

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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.