Home / 4,600.86-6,901.28-1,678.48

Finding the Fourth Proportional to 4,600.86, 6,901.28 and 1,678.48

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Solution

The fourth proportional to 4,600.86, 6,901.28 and 1,678.48 is: 2,517.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,600.86 : 6,901.28 = 1,678.48 : x
  2. Step 2: Convert to fraction form
    4,600.86/6,901.28 = 1,678.48/x
  3. Step 3: Cross multiply
    4,600.86x = 6,901.28 × 1,678.48
  4. Step 4: Simplify right side
    4,600.86x = 11,583,660.45
  5. Step 5: Solve for x
    x = 11,583,660.45/4,600.86
  6. Step 6: Final answer
    x = 2,517.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.