Home / 4,790.40-7,185.66-1,503.42

Finding the Fourth Proportional to 4,790.40, 7,185.66 and 1,503.42

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Solution

The fourth proportional to 4,790.40, 7,185.66 and 1,503.42 is: 2,255.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.40 : 7,185.66 = 1,503.42 : x
  2. Step 2: Convert to fraction form
    4,790.40/7,185.66 = 1,503.42/x
  3. Step 3: Cross multiply
    4,790.40x = 7,185.66 × 1,503.42
  4. Step 4: Simplify right side
    4,790.40x = 10,803,064.96
  5. Step 5: Solve for x
    x = 10,803,064.96/4,790.40
  6. Step 6: Final answer
    x = 2,255.15

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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.