Home / 4,962.87-6,831.61-4,290.37

Finding the Fourth Proportional to 4,962.87, 6,831.61 and 4,290.37

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Solution

The fourth proportional to 4,962.87, 6,831.61 and 4,290.37 is: 5,905.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,962.87 : 6,831.61 = 4,290.37 : x
  2. Step 2: Convert to fraction form
    4,962.87/6,831.61 = 4,290.37/x
  3. Step 3: Cross multiply
    4,962.87x = 6,831.61 × 4,290.37
  4. Step 4: Simplify right side
    4,962.87x = 29,310,106.79
  5. Step 5: Solve for x
    x = 29,310,106.79/4,962.87
  6. Step 6: Final answer
    x = 5,905.88

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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.