Home / 7,631.75-10,531.24-4,647.26

Finding the Fourth Proportional to 7,631.75, 10,531.24 and 4,647.26

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Solution

The fourth proportional to 7,631.75, 10,531.24 and 4,647.26 is: 6,412.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.75 : 10,531.24 = 4,647.26 : x
  2. Step 2: Convert to fraction form
    7,631.75/10,531.24 = 4,647.26/x
  3. Step 3: Cross multiply
    7,631.75x = 10,531.24 × 4,647.26
  4. Step 4: Simplify right side
    7,631.75x = 48,941,334.51
  5. Step 5: Solve for x
    x = 48,941,334.51/7,631.75
  6. Step 6: Final answer
    x = 6,412.86

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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.