Home / 4,986.93-6,871.32-4,531.31

Finding the Fourth Proportional to 4,986.93, 6,871.32 and 4,531.31

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Solution

The fourth proportional to 4,986.93, 6,871.32 and 4,531.31 is: 6,243.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.93 : 6,871.32 = 4,531.31 : x
  2. Step 2: Convert to fraction form
    4,986.93/6,871.32 = 4,531.31/x
  3. Step 3: Cross multiply
    4,986.93x = 6,871.32 × 4,531.31
  4. Step 4: Simplify right side
    4,986.93x = 31,136,046.67
  5. Step 5: Solve for x
    x = 31,136,046.67/4,986.93
  6. Step 6: Final answer
    x = 6,243.53

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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.