Home / 5,845.51-8,069.61-3,455.89

Finding the Fourth Proportional to 5,845.51, 8,069.61 and 3,455.89

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Solution

The fourth proportional to 5,845.51, 8,069.61 and 3,455.89 is: 4,770.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,845.51 : 8,069.61 = 3,455.89 : x
  2. Step 2: Convert to fraction form
    5,845.51/8,069.61 = 3,455.89/x
  3. Step 3: Cross multiply
    5,845.51x = 8,069.61 × 3,455.89
  4. Step 4: Simplify right side
    5,845.51x = 27,887,684.50
  5. Step 5: Solve for x
    x = 27,887,684.50/5,845.51
  6. Step 6: Final answer
    x = 4,770.79

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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.