Home / 3,501.24-4,831.56-1,929.36

Finding the Fourth Proportional to 3,501.24, 4,831.56 and 1,929.36

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Solution

The fourth proportional to 3,501.24, 4,831.56 and 1,929.36 is: 2,662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.24 : 4,831.56 = 1,929.36 : x
  2. Step 2: Convert to fraction form
    3,501.24/4,831.56 = 1,929.36/x
  3. Step 3: Cross multiply
    3,501.24x = 4,831.56 × 1,929.36
  4. Step 4: Simplify right side
    3,501.24x = 9,321,818.60
  5. Step 5: Solve for x
    x = 9,321,818.60/3,501.24
  6. Step 6: Final answer
    x = 2,662.43

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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.