Home / 3,017.29-4,164.77-1,955.11

Finding the Fourth Proportional to 3,017.29, 4,164.77 and 1,955.11

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Solution

The fourth proportional to 3,017.29, 4,164.77 and 1,955.11 is: 2,698.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.29 : 4,164.77 = 1,955.11 : x
  2. Step 2: Convert to fraction form
    3,017.29/4,164.77 = 1,955.11/x
  3. Step 3: Cross multiply
    3,017.29x = 4,164.77 × 1,955.11
  4. Step 4: Simplify right side
    3,017.29x = 8,142,586.48
  5. Step 5: Solve for x
    x = 8,142,586.48/3,017.29
  6. Step 6: Final answer
    x = 2,698.64

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Half scale
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Double scale
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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.