Home / 4,647.62-6,971.50-1,137.63

Finding the Fourth Proportional to 4,647.62, 6,971.50 and 1,137.63

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Solution

The fourth proportional to 4,647.62, 6,971.50 and 1,137.63 is: 1,706.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.62 : 6,971.50 = 1,137.63 : x
  2. Step 2: Convert to fraction form
    4,647.62/6,971.50 = 1,137.63/x
  3. Step 3: Cross multiply
    4,647.62x = 6,971.50 × 1,137.63
  4. Step 4: Simplify right side
    4,647.62x = 7,930,987.55
  5. Step 5: Solve for x
    x = 7,930,987.55/4,647.62
  6. Step 6: Final answer
    x = 1,706.46

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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.