Home / 4,831.04-6,663.66-3,781.28

Finding the Fourth Proportional to 4,831.04, 6,663.66 and 3,781.28

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Solution

The fourth proportional to 4,831.04, 6,663.66 and 3,781.28 is: 5,215.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.04 : 6,663.66 = 3,781.28 : x
  2. Step 2: Convert to fraction form
    4,831.04/6,663.66 = 3,781.28/x
  3. Step 3: Cross multiply
    4,831.04x = 6,663.66 × 3,781.28
  4. Step 4: Simplify right side
    4,831.04x = 25,197,164.28
  5. Step 5: Solve for x
    x = 25,197,164.28/4,831.04
  6. Step 6: Final answer
    x = 5,215.68

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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.