Home / 5,248.71-7,872.39-1,551.33

Finding the Fourth Proportional to 5,248.71, 7,872.39 and 1,551.33

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Solution

The fourth proportional to 5,248.71, 7,872.39 and 1,551.33 is: 2,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.71 : 7,872.39 = 1,551.33 : x
  2. Step 2: Convert to fraction form
    5,248.71/7,872.39 = 1,551.33/x
  3. Step 3: Cross multiply
    5,248.71x = 7,872.39 × 1,551.33
  4. Step 4: Simplify right side
    5,248.71x = 12,212,674.78
  5. Step 5: Solve for x
    x = 12,212,674.78/5,248.71
  6. Step 6: Final answer
    x = 2,326.80

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1.5x scale

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.