Home / 7,002.02-9,663.22-3,858.20

Finding the Fourth Proportional to 7,002.02, 9,663.22 and 3,858.20

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Solution

The fourth proportional to 7,002.02, 9,663.22 and 3,858.20 is: 5,324.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002.02 : 9,663.22 = 3,858.20 : x
  2. Step 2: Convert to fraction form
    7,002.02/9,663.22 = 3,858.20/x
  3. Step 3: Cross multiply
    7,002.02x = 9,663.22 × 3,858.20
  4. Step 4: Simplify right side
    7,002.02x = 37,282,635.40
  5. Step 5: Solve for x
    x = 37,282,635.40/7,002.02
  6. Step 6: Final answer
    x = 5,324.55

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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.