Home / 3,501.09-4,831.52-1,929.29

Finding the Fourth Proportional to 3,501.09, 4,831.52 and 1,929.29

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Solution

The fourth proportional to 3,501.09, 4,831.52 and 1,929.29 is: 2,662.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.09 : 4,831.52 = 1,929.29 : x
  2. Step 2: Convert to fraction form
    3,501.09/4,831.52 = 1,929.29/x
  3. Step 3: Cross multiply
    3,501.09x = 4,831.52 × 1,929.29
  4. Step 4: Simplify right side
    3,501.09x = 9,321,369.42
  5. Step 5: Solve for x
    x = 9,321,369.42/3,501.09
  6. Step 6: Final answer
    x = 2,662.42

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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.