Home / 2,929.46-4,042.85-1,933.00

Finding the Fourth Proportional to 2,929.46, 4,042.85 and 1,933.00

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Solution

The fourth proportional to 2,929.46, 4,042.85 and 1,933.00 is: 2,667.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.46 : 4,042.85 = 1,933.00 : x
  2. Step 2: Convert to fraction form
    2,929.46/4,042.85 = 1,933.00/x
  3. Step 3: Cross multiply
    2,929.46x = 4,042.85 × 1,933.00
  4. Step 4: Simplify right side
    2,929.46x = 7,814,831.69
  5. Step 5: Solve for x
    x = 7,814,831.69/2,929.46
  6. Step 6: Final answer
    x = 2,667.67

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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.