Home / 5,089.77-7,025.27-3,100.31

Finding the Fourth Proportional to 5,089.77, 7,025.27 and 3,100.31

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Solution

The fourth proportional to 5,089.77, 7,025.27 and 3,100.31 is: 4,279.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.77 : 7,025.27 = 3,100.31 : x
  2. Step 2: Convert to fraction form
    5,089.77/7,025.27 = 3,100.31/x
  3. Step 3: Cross multiply
    5,089.77x = 7,025.27 × 3,100.31
  4. Step 4: Simplify right side
    5,089.77x = 21,780,487.46
  5. Step 5: Solve for x
    x = 21,780,487.46/5,089.77
  6. Step 6: Final answer
    x = 4,279.27

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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.