Home / 5,876.03-8,106.53-3,989.54

Finding the Fourth Proportional to 5,876.03, 8,106.53 and 3,989.54

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Solution

The fourth proportional to 5,876.03, 8,106.53 and 3,989.54 is: 5,503.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,876.03 : 8,106.53 = 3,989.54 : x
  2. Step 2: Convert to fraction form
    5,876.03/8,106.53 = 3,989.54/x
  3. Step 3: Cross multiply
    5,876.03x = 8,106.53 × 3,989.54
  4. Step 4: Simplify right side
    5,876.03x = 32,341,265.22
  5. Step 5: Solve for x
    x = 32,341,265.22/5,876.03
  6. Step 6: Final answer
    x = 5,503.94

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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.