Home / 5,685.38-8,528.14-1,736.72

Finding the Fourth Proportional to 5,685.38, 8,528.14 and 1,736.72

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Solution

The fourth proportional to 5,685.38, 8,528.14 and 1,736.72 is: 2,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.38 : 8,528.14 = 1,736.72 : x
  2. Step 2: Convert to fraction form
    5,685.38/8,528.14 = 1,736.72/x
  3. Step 3: Cross multiply
    5,685.38x = 8,528.14 × 1,736.72
  4. Step 4: Simplify right side
    5,685.38x = 14,810,991.30
  5. Step 5: Solve for x
    x = 14,810,991.30/5,685.38
  6. Step 6: Final answer
    x = 2,605.10

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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.