Home / 1,736.08-2,395.60-1,072.88

Finding the Fourth Proportional to 1,736.08, 2,395.60 and 1,072.88

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Solution

The fourth proportional to 1,736.08, 2,395.60 and 1,072.88 is: 1,480.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.08 : 2,395.60 = 1,072.88 : x
  2. Step 2: Convert to fraction form
    1,736.08/2,395.60 = 1,072.88/x
  3. Step 3: Cross multiply
    1,736.08x = 2,395.60 × 1,072.88
  4. Step 4: Simplify right side
    1,736.08x = 2,570,191.33
  5. Step 5: Solve for x
    x = 2,570,191.33/1,736.08
  6. Step 6: Final answer
    x = 1,480.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.