Home / 5,609.12-7,740.54-3,091.33

Finding the Fourth Proportional to 5,609.12, 7,740.54 and 3,091.33

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Solution

The fourth proportional to 5,609.12, 7,740.54 and 3,091.33 is: 4,266.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609.12 : 7,740.54 = 3,091.33 : x
  2. Step 2: Convert to fraction form
    5,609.12/7,740.54 = 3,091.33/x
  3. Step 3: Cross multiply
    5,609.12x = 7,740.54 × 3,091.33
  4. Step 4: Simplify right side
    5,609.12x = 23,928,563.52
  5. Step 5: Solve for x
    x = 23,928,563.52/5,609.12
  6. Step 6: Final answer
    x = 4,266.01

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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.