Home / 4,927.48-6,800.40-2,831.56

Finding the Fourth Proportional to 4,927.48, 6,800.40 and 2,831.56

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Solution

The fourth proportional to 4,927.48, 6,800.40 and 2,831.56 is: 3,907.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.48 : 6,800.40 = 2,831.56 : x
  2. Step 2: Convert to fraction form
    4,927.48/6,800.40 = 2,831.56/x
  3. Step 3: Cross multiply
    4,927.48x = 6,800.40 × 2,831.56
  4. Step 4: Simplify right side
    4,927.48x = 19,255,740.62
  5. Step 5: Solve for x
    x = 19,255,740.62/4,927.48
  6. Step 6: Final answer
    x = 3,907.83

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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.