Home / 5,631.80-8,447.63-1,736.20

Finding the Fourth Proportional to 5,631.80, 8,447.63 and 1,736.20

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Solution

The fourth proportional to 5,631.80, 8,447.63 and 1,736.20 is: 2,604.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.80 : 8,447.63 = 1,736.20 : x
  2. Step 2: Convert to fraction form
    5,631.80/8,447.63 = 1,736.20/x
  3. Step 3: Cross multiply
    5,631.80x = 8,447.63 × 1,736.20
  4. Step 4: Simplify right side
    5,631.80x = 14,666,777.08
  5. Step 5: Solve for x
    x = 14,666,777.08/5,631.80
  6. Step 6: Final answer
    x = 2,604.28

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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.