Home / 5,450.63-8,160.75-4,663.31

Finding the Fourth Proportional to 5,450.63, 8,160.75 and 4,663.31

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Solution

The fourth proportional to 5,450.63, 8,160.75 and 4,663.31 is: 6,981.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.63 : 8,160.75 = 4,663.31 : x
  2. Step 2: Convert to fraction form
    5,450.63/8,160.75 = 4,663.31/x
  3. Step 3: Cross multiply
    5,450.63x = 8,160.75 × 4,663.31
  4. Step 4: Simplify right side
    5,450.63x = 38,056,066.28
  5. Step 5: Solve for x
    x = 38,056,066.28/5,450.63
  6. Step 6: Final answer
    x = 6,981.96

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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.