Home / 2,886.12-4,326.58-1,036.80

Finding the Fourth Proportional to 2,886.12, 4,326.58 and 1,036.80

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Solution

The fourth proportional to 2,886.12, 4,326.58 and 1,036.80 is: 1,554.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.12 : 4,326.58 = 1,036.80 : x
  2. Step 2: Convert to fraction form
    2,886.12/4,326.58 = 1,036.80/x
  3. Step 3: Cross multiply
    2,886.12x = 4,326.58 × 1,036.80
  4. Step 4: Simplify right side
    2,886.12x = 4,485,771.33
  5. Step 5: Solve for x
    x = 4,485,771.33/2,886.12
  6. Step 6: Final answer
    x = 1,554.26

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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.