Home / 5,739.56-7,920.33-3,501.08

Finding the Fourth Proportional to 5,739.56, 7,920.33 and 3,501.08

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Solution

The fourth proportional to 5,739.56, 7,920.33 and 3,501.08 is: 4,831.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739.56 : 7,920.33 = 3,501.08 : x
  2. Step 2: Convert to fraction form
    5,739.56/7,920.33 = 3,501.08/x
  3. Step 3: Cross multiply
    5,739.56x = 7,920.33 × 3,501.08
  4. Step 4: Simplify right side
    5,739.56x = 27,729,708.96
  5. Step 5: Solve for x
    x = 27,729,708.96/5,739.56
  6. Step 6: Final answer
    x = 4,831.33

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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.