Home / 7,342.92-10,132.96-4,156.32

Finding the Fourth Proportional to 7,342.92, 10,132.96 and 4,156.32

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Solution

The fourth proportional to 7,342.92, 10,132.96 and 4,156.32 is: 5,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.92 : 10,132.96 = 4,156.32 : x
  2. Step 2: Convert to fraction form
    7,342.92/10,132.96 = 4,156.32/x
  3. Step 3: Cross multiply
    7,342.92x = 10,132.96 × 4,156.32
  4. Step 4: Simplify right side
    7,342.92x = 42,115,824.31
  5. Step 5: Solve for x
    x = 42,115,824.31/7,342.92
  6. Step 6: Final answer
    x = 5,735.57

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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.