Home / 3,501.24-4,831.68-1,929.34

Finding the Fourth Proportional to 3,501.24, 4,831.68 and 1,929.34

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Solution

The fourth proportional to 3,501.24, 4,831.68 and 1,929.34 is: 2,662.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.24 : 4,831.68 = 1,929.34 : x
  2. Step 2: Convert to fraction form
    3,501.24/4,831.68 = 1,929.34/x
  3. Step 3: Cross multiply
    3,501.24x = 4,831.68 × 1,929.34
  4. Step 4: Simplify right side
    3,501.24x = 9,321,953.49
  5. Step 5: Solve for x
    x = 9,321,953.49/3,501.24
  6. Step 6: Final answer
    x = 2,662.47

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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.