Home / 4,901.22-7,346.80-1,938.48

Finding the Fourth Proportional to 4,901.22, 7,346.80 and 1,938.48

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Solution

The fourth proportional to 4,901.22, 7,346.80 and 1,938.48 is: 2,905.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.22 : 7,346.80 = 1,938.48 : x
  2. Step 2: Convert to fraction form
    4,901.22/7,346.80 = 1,938.48/x
  3. Step 3: Cross multiply
    4,901.22x = 7,346.80 × 1,938.48
  4. Step 4: Simplify right side
    4,901.22x = 14,241,599.74
  5. Step 5: Solve for x
    x = 14,241,599.74/4,901.22
  6. Step 6: Final answer
    x = 2,905.73

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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.