Home / 4,767.15-7,151.40-1,845.75

Finding the Fourth Proportional to 4,767.15, 7,151.40 and 1,845.75

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Solution

The fourth proportional to 4,767.15, 7,151.40 and 1,845.75 is: 2,768.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,767.15 : 7,151.40 = 1,845.75 : x
  2. Step 2: Convert to fraction form
    4,767.15/7,151.40 = 1,845.75/x
  3. Step 3: Cross multiply
    4,767.15x = 7,151.40 × 1,845.75
  4. Step 4: Simplify right side
    4,767.15x = 13,199,696.55
  5. Step 5: Solve for x
    x = 13,199,696.55/4,767.15
  6. Step 6: Final answer
    x = 2,768.89

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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.