Home / 5,113.96-7,057.26-2,875.93

Finding the Fourth Proportional to 5,113.96, 7,057.26 and 2,875.93

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Solution

The fourth proportional to 5,113.96, 7,057.26 and 2,875.93 is: 3,968.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.96 : 7,057.26 = 2,875.93 : x
  2. Step 2: Convert to fraction form
    5,113.96/7,057.26 = 2,875.93/x
  3. Step 3: Cross multiply
    5,113.96x = 7,057.26 × 2,875.93
  4. Step 4: Simplify right side
    5,113.96x = 20,296,185.75
  5. Step 5: Solve for x
    x = 20,296,185.75/5,113.96
  6. Step 6: Final answer
    x = 3,968.78

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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.