Home / 7,674.19-10,584.21-5,155.54

Finding the Fourth Proportional to 7,674.19, 10,584.21 and 5,155.54

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Solution

The fourth proportional to 7,674.19, 10,584.21 and 5,155.54 is: 7,110.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.19 : 10,584.21 = 5,155.54 : x
  2. Step 2: Convert to fraction form
    7,674.19/10,584.21 = 5,155.54/x
  3. Step 3: Cross multiply
    7,674.19x = 10,584.21 × 5,155.54
  4. Step 4: Simplify right side
    7,674.19x = 54,567,318.02
  5. Step 5: Solve for x
    x = 54,567,318.02/7,674.19
  6. Step 6: Final answer
    x = 7,110.50

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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.