Home / 2,682.10-3,701.38-1,503.20

Finding the Fourth Proportional to 2,682.10, 3,701.38 and 1,503.20

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Solution

The fourth proportional to 2,682.10, 3,701.38 and 1,503.20 is: 2,074.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.10 : 3,701.38 = 1,503.20 : x
  2. Step 2: Convert to fraction form
    2,682.10/3,701.38 = 1,503.20/x
  3. Step 3: Cross multiply
    2,682.10x = 3,701.38 × 1,503.20
  4. Step 4: Simplify right side
    2,682.10x = 5,563,914.42
  5. Step 5: Solve for x
    x = 5,563,914.42/2,682.10
  6. Step 6: Final answer
    x = 2,074.46

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Half scale
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Double scale
Find fourth proportional to 2,683.10, 3,702.76 and 1,504.20
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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.