Home / 5,370.56-7,411.12-3,012.96

Finding the Fourth Proportional to 5,370.56, 7,411.12 and 3,012.96

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Solution

The fourth proportional to 5,370.56, 7,411.12 and 3,012.96 is: 4,157.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.56 : 7,411.12 = 3,012.96 : x
  2. Step 2: Convert to fraction form
    5,370.56/7,411.12 = 3,012.96/x
  3. Step 3: Cross multiply
    5,370.56x = 7,411.12 × 3,012.96
  4. Step 4: Simplify right side
    5,370.56x = 22,329,408.12
  5. Step 5: Solve for x
    x = 22,329,408.12/5,370.56
  6. Step 6: Final answer
    x = 4,157.74

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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.