Home / 5,370.96-7,411.20-3,012.96

Finding the Fourth Proportional to 5,370.96, 7,411.20 and 3,012.96

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Solution

The fourth proportional to 5,370.96, 7,411.20 and 3,012.96 is: 4,157.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.96 : 7,411.20 = 3,012.96 : x
  2. Step 2: Convert to fraction form
    5,370.96/7,411.20 = 3,012.96/x
  3. Step 3: Cross multiply
    5,370.96x = 7,411.20 × 3,012.96
  4. Step 4: Simplify right side
    5,370.96x = 22,329,649.15
  5. Step 5: Solve for x
    x = 22,329,649.15/5,370.96
  6. Step 6: Final answer
    x = 4,157.48

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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.