Home / 5,878.30-8,112.02-3,225.64

Finding the Fourth Proportional to 5,878.30, 8,112.02 and 3,225.64

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Solution

The fourth proportional to 5,878.30, 8,112.02 and 3,225.64 is: 4,451.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.30 : 8,112.02 = 3,225.64 : x
  2. Step 2: Convert to fraction form
    5,878.30/8,112.02 = 3,225.64/x
  3. Step 3: Cross multiply
    5,878.30x = 8,112.02 × 3,225.64
  4. Step 4: Simplify right side
    5,878.30x = 26,166,456.19
  5. Step 5: Solve for x
    x = 26,166,456.19/5,878.30
  6. Step 6: Final answer
    x = 4,451.36

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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.