Home / 5,077.77-7,000.61-3,660.27

Finding the Fourth Proportional to 5,077.77, 7,000.61 and 3,660.27

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Solution

The fourth proportional to 5,077.77, 7,000.61 and 3,660.27 is: 5,046.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.77 : 7,000.61 = 3,660.27 : x
  2. Step 2: Convert to fraction form
    5,077.77/7,000.61 = 3,660.27/x
  3. Step 3: Cross multiply
    5,077.77x = 7,000.61 × 3,660.27
  4. Step 4: Simplify right side
    5,077.77x = 25,624,104.46
  5. Step 5: Solve for x
    x = 25,624,104.46/5,077.77
  6. Step 6: Final answer
    x = 5,046.33

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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.