Home / 4,085.98-6,128.93-1,164.29

Finding the Fourth Proportional to 4,085.98, 6,128.93 and 1,164.29

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Solution

The fourth proportional to 4,085.98, 6,128.93 and 1,164.29 is: 1,746.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.98 : 6,128.93 = 1,164.29 : x
  2. Step 2: Convert to fraction form
    4,085.98/6,128.93 = 1,164.29/x
  3. Step 3: Cross multiply
    4,085.98x = 6,128.93 × 1,164.29
  4. Step 4: Simplify right side
    4,085.98x = 7,135,858.65
  5. Step 5: Solve for x
    x = 7,135,858.65/4,085.98
  6. Step 6: Final answer
    x = 1,746.43

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Double scale
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Similar ratio
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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.