Home / 7,021.32-10,531.02-4,101

Finding the Fourth Proportional to 7,021.32, 10,531.02 and 4,101

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Solution

The fourth proportional to 7,021.32, 10,531.02 and 4,101 is: 6,150.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.32 : 10,531.02 = 4,101 : x
  2. Step 2: Convert to fraction form
    7,021.32/10,531.02 = 4,101/x
  3. Step 3: Cross multiply
    7,021.32x = 10,531.02 × 4,101
  4. Step 4: Simplify right side
    7,021.32x = 43,187,713.02
  5. Step 5: Solve for x
    x = 43,187,713.02/7,021.32
  6. Step 6: Final answer
    x = 6,150.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.