Home / 6,615.02-9,128.84-3,631.13

Finding the Fourth Proportional to 6,615.02, 9,128.84 and 3,631.13

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Solution

The fourth proportional to 6,615.02, 9,128.84 and 3,631.13 is: 5,011.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,615.02 : 9,128.84 = 3,631.13 : x
  2. Step 2: Convert to fraction form
    6,615.02/9,128.84 = 3,631.13/x
  3. Step 3: Cross multiply
    6,615.02x = 9,128.84 × 3,631.13
  4. Step 4: Simplify right side
    6,615.02x = 33,148,004.79
  5. Step 5: Solve for x
    x = 33,148,004.79/6,615.02
  6. Step 6: Final answer
    x = 5,011.02

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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.