Home / 6,975.56-9,626.58-3,831.80

Finding the Fourth Proportional to 6,975.56, 9,626.58 and 3,831.80

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Solution

The fourth proportional to 6,975.56, 9,626.58 and 3,831.80 is: 5,288.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,975.56 : 9,626.58 = 3,831.80 : x
  2. Step 2: Convert to fraction form
    6,975.56/9,626.58 = 3,831.80/x
  3. Step 3: Cross multiply
    6,975.56x = 9,626.58 × 3,831.80
  4. Step 4: Simplify right side
    6,975.56x = 36,887,129.24
  5. Step 5: Solve for x
    x = 36,887,129.24/6,975.56
  6. Step 6: Final answer
    x = 5,288.05

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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.