Home / 5,160.71-7,744.82-1,874.07

Finding the Fourth Proportional to 5,160.71, 7,744.82 and 1,874.07

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Solution

The fourth proportional to 5,160.71, 7,744.82 and 1,874.07 is: 2,812.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.71 : 7,744.82 = 1,874.07 : x
  2. Step 2: Convert to fraction form
    5,160.71/7,744.82 = 1,874.07/x
  3. Step 3: Cross multiply
    5,160.71x = 7,744.82 × 1,874.07
  4. Step 4: Simplify right side
    5,160.71x = 14,514,334.82
  5. Step 5: Solve for x
    x = 14,514,334.82/5,160.71
  6. Step 6: Final answer
    x = 2,812.47

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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.