Home / 5,458.32-7,532.58-3,100.62

Finding the Fourth Proportional to 5,458.32, 7,532.58 and 3,100.62

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Solution

The fourth proportional to 5,458.32, 7,532.58 and 3,100.62 is: 4,278.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.32 : 7,532.58 = 3,100.62 : x
  2. Step 2: Convert to fraction form
    5,458.32/7,532.58 = 3,100.62/x
  3. Step 3: Cross multiply
    5,458.32x = 7,532.58 × 3,100.62
  4. Step 4: Simplify right side
    5,458.32x = 23,355,668.20
  5. Step 5: Solve for x
    x = 23,355,668.20/5,458.32
  6. Step 6: Final answer
    x = 4,278.91

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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.