Home / 4,117.19-5,681.68-2,228.74

Finding the Fourth Proportional to 4,117.19, 5,681.68 and 2,228.74

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Solution

The fourth proportional to 4,117.19, 5,681.68 and 2,228.74 is: 3,075.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.19 : 5,681.68 = 2,228.74 : x
  2. Step 2: Convert to fraction form
    4,117.19/5,681.68 = 2,228.74/x
  3. Step 3: Cross multiply
    4,117.19x = 5,681.68 × 2,228.74
  4. Step 4: Simplify right side
    4,117.19x = 12,662,993.09
  5. Step 5: Solve for x
    x = 12,662,993.09/4,117.19
  6. Step 6: Final answer
    x = 3,075.64

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Half 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.