Home / 8,858.93-13,288.41-2,619.05

Finding the Fourth Proportional to 8,858.93, 13,288.41 and 2,619.05

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Solution

The fourth proportional to 8,858.93, 13,288.41 and 2,619.05 is: 3,928.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.93 : 13,288.41 = 2,619.05 : x
  2. Step 2: Convert to fraction form
    8,858.93/13,288.41 = 2,619.05/x
  3. Step 3: Cross multiply
    8,858.93x = 13,288.41 × 2,619.05
  4. Step 4: Simplify right side
    8,858.93x = 34,802,943.77
  5. Step 5: Solve for x
    x = 34,802,943.77/8,858.93
  6. Step 6: Final answer
    x = 3,928.57

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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.