Home / 4,740.56-7,110.82-1,230.57

Finding the Fourth Proportional to 4,740.56, 7,110.82 and 1,230.57

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Solution

The fourth proportional to 4,740.56, 7,110.82 and 1,230.57 is: 1,845.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.56 : 7,110.82 = 1,230.57 : x
  2. Step 2: Convert to fraction form
    4,740.56/7,110.82 = 1,230.57/x
  3. Step 3: Cross multiply
    4,740.56x = 7,110.82 × 1,230.57
  4. Step 4: Simplify right side
    4,740.56x = 8,750,332.03
  5. Step 5: Solve for x
    x = 8,750,332.03/4,740.56
  6. Step 6: Final answer
    x = 1,845.84

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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.