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Finding the Fourth Proportional to 5,865.36, 8,085.12 and 4,371

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Solution

The fourth proportional to 5,865.36, 8,085.12 and 4,371 is: 6,025.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.36 : 8,085.12 = 4,371 : x
  2. Step 2: Convert to fraction form
    5,865.36/8,085.12 = 4,371/x
  3. Step 3: Cross multiply
    5,865.36x = 8,085.12 × 4,371
  4. Step 4: Simplify right side
    5,865.36x = 35,340,059.52
  5. Step 5: Solve for x
    x = 35,340,059.52/5,865.36
  6. Step 6: Final answer
    x = 6,025.22

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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.