Home / 5,637.76-7,782.82-3,752.48

Finding the Fourth Proportional to 5,637.76, 7,782.82 and 3,752.48

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Solution

The fourth proportional to 5,637.76, 7,782.82 and 3,752.48 is: 5,180.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.76 : 7,782.82 = 3,752.48 : x
  2. Step 2: Convert to fraction form
    5,637.76/7,782.82 = 3,752.48/x
  3. Step 3: Cross multiply
    5,637.76x = 7,782.82 × 3,752.48
  4. Step 4: Simplify right side
    5,637.76x = 29,204,886.47
  5. Step 5: Solve for x
    x = 29,204,886.47/5,637.76
  6. Step 6: Final answer
    x = 5,180.23

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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.