Home / 4,551.96-6,828.72-2,086.99

Finding the Fourth Proportional to 4,551.96, 6,828.72 and 2,086.99

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Solution

The fourth proportional to 4,551.96, 6,828.72 and 2,086.99 is: 3,130.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,551.96 : 6,828.72 = 2,086.99 : x
  2. Step 2: Convert to fraction form
    4,551.96/6,828.72 = 2,086.99/x
  3. Step 3: Cross multiply
    4,551.96x = 6,828.72 × 2,086.99
  4. Step 4: Simplify right side
    4,551.96x = 14,251,478.89
  5. Step 5: Solve for x
    x = 14,251,478.89/4,551.96
  6. Step 6: Final answer
    x = 3,130.84

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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.