Home / 5,858.63-8,781.75-2,158.48

Finding the Fourth Proportional to 5,858.63, 8,781.75 and 2,158.48

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Solution

The fourth proportional to 5,858.63, 8,781.75 and 2,158.48 is: 3,235.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,858.63 : 8,781.75 = 2,158.48 : x
  2. Step 2: Convert to fraction form
    5,858.63/8,781.75 = 2,158.48/x
  3. Step 3: Cross multiply
    5,858.63x = 8,781.75 × 2,158.48
  4. Step 4: Simplify right side
    5,858.63x = 18,955,242.72
  5. Step 5: Solve for x
    x = 18,955,242.72/5,858.63
  6. Step 6: Final answer
    x = 3,235.44

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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.