Home / 5,458.27-7,532.63-3,100.63

Finding the Fourth Proportional to 5,458.27, 7,532.63 and 3,100.63

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Solution

The fourth proportional to 5,458.27, 7,532.63 and 3,100.63 is: 4,278.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.27 : 7,532.63 = 3,100.63 : x
  2. Step 2: Convert to fraction form
    5,458.27/7,532.63 = 3,100.63/x
  3. Step 3: Cross multiply
    5,458.27x = 7,532.63 × 3,100.63
  4. Step 4: Simplify right side
    5,458.27x = 23,355,898.56
  5. Step 5: Solve for x
    x = 23,355,898.56/5,458.27
  6. Step 6: Final answer
    x = 4,278.99

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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.