Home / 7,631.18-10,531.57-4,228.52

Finding the Fourth Proportional to 7,631.18, 10,531.57 and 4,228.52

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Solution

The fourth proportional to 7,631.18, 10,531.57 and 4,228.52 is: 5,835.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.18 : 10,531.57 = 4,228.52 : x
  2. Step 2: Convert to fraction form
    7,631.18/10,531.57 = 4,228.52/x
  3. Step 3: Cross multiply
    7,631.18x = 10,531.57 × 4,228.52
  4. Step 4: Simplify right side
    7,631.18x = 44,532,958.32
  5. Step 5: Solve for x
    x = 44,532,958.32/7,631.18
  6. Step 6: Final answer
    x = 5,835.66

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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.