Home / 6,168.31-8,512.47-3,515.67

Finding the Fourth Proportional to 6,168.31, 8,512.47 and 3,515.67

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Solution

The fourth proportional to 6,168.31, 8,512.47 and 3,515.67 is: 4,851.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,168.31 : 8,512.47 = 3,515.67 : x
  2. Step 2: Convert to fraction form
    6,168.31/8,512.47 = 3,515.67/x
  3. Step 3: Cross multiply
    6,168.31x = 8,512.47 × 3,515.67
  4. Step 4: Simplify right side
    6,168.31x = 29,927,035.40
  5. Step 5: Solve for x
    x = 29,927,035.40/6,168.31
  6. Step 6: Final answer
    x = 4,851.74

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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.