Home / 7,531.07-10,392.72-4,173.86

Finding the Fourth Proportional to 7,531.07, 10,392.72 and 4,173.86

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Solution

The fourth proportional to 7,531.07, 10,392.72 and 4,173.86 is: 5,759.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.07 : 10,392.72 = 4,173.86 : x
  2. Step 2: Convert to fraction form
    7,531.07/10,392.72 = 4,173.86/x
  3. Step 3: Cross multiply
    7,531.07x = 10,392.72 × 4,173.86
  4. Step 4: Simplify right side
    7,531.07x = 43,377,706.34
  5. Step 5: Solve for x
    x = 43,377,706.34/7,531.07
  6. Step 6: Final answer
    x = 5,759.84

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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.