Home / 5,307.88-7,967.97-2,847.51

Finding the Fourth Proportional to 5,307.88, 7,967.97 and 2,847.51

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Solution

The fourth proportional to 5,307.88, 7,967.97 and 2,847.51 is: 4,274.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.88 : 7,967.97 = 2,847.51 : x
  2. Step 2: Convert to fraction form
    5,307.88/7,967.97 = 2,847.51/x
  3. Step 3: Cross multiply
    5,307.88x = 7,967.97 × 2,847.51
  4. Step 4: Simplify right side
    5,307.88x = 22,688,874.25
  5. Step 5: Solve for x
    x = 22,688,874.25/5,307.88
  6. Step 6: Final answer
    x = 4,274.56

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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.