Home / 4,831.80-6,667.42-3,320.68

Finding the Fourth Proportional to 4,831.80, 6,667.42 and 3,320.68

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Solution

The fourth proportional to 4,831.80, 6,667.42 and 3,320.68 is: 4,582.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.80 : 6,667.42 = 3,320.68 : x
  2. Step 2: Convert to fraction form
    4,831.80/6,667.42 = 3,320.68/x
  3. Step 3: Cross multiply
    4,831.80x = 6,667.42 × 3,320.68
  4. Step 4: Simplify right side
    4,831.80x = 22,140,385.46
  5. Step 5: Solve for x
    x = 22,140,385.46/4,831.80
  6. Step 6: Final answer
    x = 4,582.23

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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.