Home / 6,267.76-8,650.08-3,615.28

Finding the Fourth Proportional to 6,267.76, 8,650.08 and 3,615.28

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Solution

The fourth proportional to 6,267.76, 8,650.08 and 3,615.28 is: 4,989.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,267.76 : 8,650.08 = 3,615.28 : x
  2. Step 2: Convert to fraction form
    6,267.76/8,650.08 = 3,615.28/x
  3. Step 3: Cross multiply
    6,267.76x = 8,650.08 × 3,615.28
  4. Step 4: Simplify right side
    6,267.76x = 31,272,461.22
  5. Step 5: Solve for x
    x = 31,272,461.22/6,267.76
  6. Step 6: Final answer
    x = 4,989.42

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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.