Home / 3,015.77-4,161.38-1,757.23

Finding the Fourth Proportional to 3,015.77, 4,161.38 and 1,757.23

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Solution

The fourth proportional to 3,015.77, 4,161.38 and 1,757.23 is: 2,424.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.77 : 4,161.38 = 1,757.23 : x
  2. Step 2: Convert to fraction form
    3,015.77/4,161.38 = 1,757.23/x
  3. Step 3: Cross multiply
    3,015.77x = 4,161.38 × 1,757.23
  4. Step 4: Simplify right side
    3,015.77x = 7,312,482.59
  5. Step 5: Solve for x
    x = 7,312,482.59/3,015.77
  6. Step 6: Final answer
    x = 2,424.75

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Half scale
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Double scale
Find fourth proportional to 3,016.77, 4,162.75 and 1,758.23
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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.