Home / 5,901.47-8,138.72-4,910.03

Finding the Fourth Proportional to 5,901.47, 8,138.72 and 4,910.03

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Solution

The fourth proportional to 5,901.47, 8,138.72 and 4,910.03 is: 6,771.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,901.47 : 8,138.72 = 4,910.03 : x
  2. Step 2: Convert to fraction form
    5,901.47/8,138.72 = 4,910.03/x
  3. Step 3: Cross multiply
    5,901.47x = 8,138.72 × 4,910.03
  4. Step 4: Simplify right side
    5,901.47x = 39,961,334.81
  5. Step 5: Solve for x
    x = 39,961,334.81/5,901.47
  6. Step 6: Final answer
    x = 6,771.42

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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.