Home / 4,872.32-6,723.78-2,776.46

Finding the Fourth Proportional to 4,872.32, 6,723.78 and 2,776.46

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Solution

The fourth proportional to 4,872.32, 6,723.78 and 2,776.46 is: 3,831.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.32 : 6,723.78 = 2,776.46 : x
  2. Step 2: Convert to fraction form
    4,872.32/6,723.78 = 2,776.46/x
  3. Step 3: Cross multiply
    4,872.32x = 6,723.78 × 2,776.46
  4. Step 4: Simplify right side
    4,872.32x = 18,668,306.22
  5. Step 5: Solve for x
    x = 18,668,306.22/4,872.32
  6. Step 6: Final answer
    x = 3,831.50

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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.