Home / 5,555.73-7,667.63-3,166.58

Finding the Fourth Proportional to 5,555.73, 7,667.63 and 3,166.58

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Solution

The fourth proportional to 5,555.73, 7,667.63 and 3,166.58 is: 4,370.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.73 : 7,667.63 = 3,166.58 : x
  2. Step 2: Convert to fraction form
    5,555.73/7,667.63 = 3,166.58/x
  3. Step 3: Cross multiply
    5,555.73x = 7,667.63 × 3,166.58
  4. Step 4: Simplify right side
    5,555.73x = 24,280,109.63
  5. Step 5: Solve for x
    x = 24,280,109.63/5,555.73
  6. Step 6: Final answer
    x = 4,370.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.