Home / 5,534.88-7,637.64-3,177.12

Finding the Fourth Proportional to 5,534.88, 7,637.64 and 3,177.12

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Solution

The fourth proportional to 5,534.88, 7,637.64 and 3,177.12 is: 4,384.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,534.88 : 7,637.64 = 3,177.12 : x
  2. Step 2: Convert to fraction form
    5,534.88/7,637.64 = 3,177.12/x
  3. Step 3: Cross multiply
    5,534.88x = 7,637.64 × 3,177.12
  4. Step 4: Simplify right side
    5,534.88x = 24,265,698.80
  5. Step 5: Solve for x
    x = 24,265,698.80/5,534.88
  6. Step 6: Final answer
    x = 4,384.14

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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.