Home / 5,878.02-8,111.78-3,225.41

Finding the Fourth Proportional to 5,878.02, 8,111.78 and 3,225.41

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Solution

The fourth proportional to 5,878.02, 8,111.78 and 3,225.41 is: 4,451.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.02 : 8,111.78 = 3,225.41 : x
  2. Step 2: Convert to fraction form
    5,878.02/8,111.78 = 3,225.41/x
  3. Step 3: Cross multiply
    5,878.02x = 8,111.78 × 3,225.41
  4. Step 4: Simplify right side
    5,878.02x = 26,163,816.33
  5. Step 5: Solve for x
    x = 26,163,816.33/5,878.02
  6. Step 6: Final answer
    x = 4,451.13

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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.