Home / 5,177.21-7,136.25-3,498.08

Finding the Fourth Proportional to 5,177.21, 7,136.25 and 3,498.08

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Solution

The fourth proportional to 5,177.21, 7,136.25 and 3,498.08 is: 4,821.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.21 : 7,136.25 = 3,498.08 : x
  2. Step 2: Convert to fraction form
    5,177.21/7,136.25 = 3,498.08/x
  3. Step 3: Cross multiply
    5,177.21x = 7,136.25 × 3,498.08
  4. Step 4: Simplify right side
    5,177.21x = 24,963,173.40
  5. Step 5: Solve for x
    x = 24,963,173.40/5,177.21
  6. Step 6: Final answer
    x = 4,821.74

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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.