Home / 5,101.84-7,038.77-3,213.58

Finding the Fourth Proportional to 5,101.84, 7,038.77 and 3,213.58

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Solution

The fourth proportional to 5,101.84, 7,038.77 and 3,213.58 is: 4,433.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.84 : 7,038.77 = 3,213.58 : x
  2. Step 2: Convert to fraction form
    5,101.84/7,038.77 = 3,213.58/x
  3. Step 3: Cross multiply
    5,101.84x = 7,038.77 × 3,213.58
  4. Step 4: Simplify right side
    5,101.84x = 22,619,650.50
  5. Step 5: Solve for x
    x = 22,619,650.50/5,101.84
  6. Step 6: Final answer
    x = 4,433.63

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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.