Home / 5,722.76-7,896.52-3,485.36

Finding the Fourth Proportional to 5,722.76, 7,896.52 and 3,485.36

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Solution

The fourth proportional to 5,722.76, 7,896.52 and 3,485.36 is: 4,809.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,722.76 : 7,896.52 = 3,485.36 : x
  2. Step 2: Convert to fraction form
    5,722.76/7,896.52 = 3,485.36/x
  3. Step 3: Cross multiply
    5,722.76x = 7,896.52 × 3,485.36
  4. Step 4: Simplify right side
    5,722.76x = 27,522,226.06
  5. Step 5: Solve for x
    x = 27,522,226.06/5,722.76
  6. Step 6: Final answer
    x = 4,809.25

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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.