Home / 4,585.98-6,878.97-2,120.34

Finding the Fourth Proportional to 4,585.98, 6,878.97 and 2,120.34

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Solution

The fourth proportional to 4,585.98, 6,878.97 and 2,120.34 is: 3,180.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,585.98 : 6,878.97 = 2,120.34 : x
  2. Step 2: Convert to fraction form
    4,585.98/6,878.97 = 2,120.34/x
  3. Step 3: Cross multiply
    4,585.98x = 6,878.97 × 2,120.34
  4. Step 4: Simplify right side
    4,585.98x = 14,585,755.25
  5. Step 5: Solve for x
    x = 14,585,755.25/4,585.98
  6. Step 6: Final answer
    x = 3,180.51

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Half scale
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Double scale
Find fourth proportional to 4,586.98, 6,880.47 and 2,121.34
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.