Home / 5,878.18-8,111.61-3,225.53

Finding the Fourth Proportional to 5,878.18, 8,111.61 and 3,225.53

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Solution

The fourth proportional to 5,878.18, 8,111.61 and 3,225.53 is: 4,451.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.18 : 8,111.61 = 3,225.53 : x
  2. Step 2: Convert to fraction form
    5,878.18/8,111.61 = 3,225.53/x
  3. Step 3: Cross multiply
    5,878.18x = 8,111.61 × 3,225.53
  4. Step 4: Simplify right side
    5,878.18x = 26,164,261.68
  5. Step 5: Solve for x
    x = 26,164,261.68/5,878.18
  6. Step 6: Final answer
    x = 4,451.08

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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.