Home / 7,515.34-10,370.94-4,157.96

Finding the Fourth Proportional to 7,515.34, 10,370.94 and 4,157.96

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Solution

The fourth proportional to 7,515.34, 10,370.94 and 4,157.96 is: 5,737.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.34 : 10,370.94 = 4,157.96 : x
  2. Step 2: Convert to fraction form
    7,515.34/10,370.94 = 4,157.96/x
  3. Step 3: Cross multiply
    7,515.34x = 10,370.94 × 4,157.96
  4. Step 4: Simplify right side
    7,515.34x = 43,121,953.68
  5. Step 5: Solve for x
    x = 43,121,953.68/7,515.34
  6. Step 6: Final answer
    x = 5,737.86

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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.