Home / 4,958.28-7,436.78-1,260.18

Finding the Fourth Proportional to 4,958.28, 7,436.78 and 1,260.18

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Solution

The fourth proportional to 4,958.28, 7,436.78 and 1,260.18 is: 1,890.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958.28 : 7,436.78 = 1,260.18 : x
  2. Step 2: Convert to fraction form
    4,958.28/7,436.78 = 1,260.18/x
  3. Step 3: Cross multiply
    4,958.28x = 7,436.78 × 1,260.18
  4. Step 4: Simplify right side
    4,958.28x = 9,371,675.12
  5. Step 5: Solve for x
    x = 9,371,675.12/4,958.28
  6. Step 6: Final answer
    x = 1,890.11

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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.