Home / 6,645.32-9,160.52-5,464.34

Finding the Fourth Proportional to 6,645.32, 9,160.52 and 5,464.34

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Solution

The fourth proportional to 6,645.32, 9,160.52 and 5,464.34 is: 7,532.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645.32 : 9,160.52 = 5,464.34 : x
  2. Step 2: Convert to fraction form
    6,645.32/9,160.52 = 5,464.34/x
  3. Step 3: Cross multiply
    6,645.32x = 9,160.52 × 5,464.34
  4. Step 4: Simplify right side
    6,645.32x = 50,056,195.86
  5. Step 5: Solve for x
    x = 50,056,195.86/6,645.32
  6. Step 6: Final answer
    x = 7,532.55

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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.