Home / 3,501.12-4,831.50-1,929.24

Finding the Fourth Proportional to 3,501.12, 4,831.50 and 1,929.24

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Solution

The fourth proportional to 3,501.12, 4,831.50 and 1,929.24 is: 2,662.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.12 : 4,831.50 = 1,929.24 : x
  2. Step 2: Convert to fraction form
    3,501.12/4,831.50 = 1,929.24/x
  3. Step 3: Cross multiply
    3,501.12x = 4,831.50 × 1,929.24
  4. Step 4: Simplify right side
    3,501.12x = 9,321,123.06
  5. Step 5: Solve for x
    x = 9,321,123.06/3,501.12
  6. Step 6: Final answer
    x = 2,662.33

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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.