Home / 3,113.42-4,296.58-1,716.18

Finding the Fourth Proportional to 3,113.42, 4,296.58 and 1,716.18

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Solution

The fourth proportional to 3,113.42, 4,296.58 and 1,716.18 is: 2,368.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.42 : 4,296.58 = 1,716.18 : x
  2. Step 2: Convert to fraction form
    3,113.42/4,296.58 = 1,716.18/x
  3. Step 3: Cross multiply
    3,113.42x = 4,296.58 × 1,716.18
  4. Step 4: Simplify right side
    3,113.42x = 7,373,704.66
  5. Step 5: Solve for x
    x = 7,373,704.66/3,113.42
  6. Step 6: Final answer
    x = 2,368.36

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Half scale
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Double scale
Find fourth proportional to 3,114.42, 4,297.96 and 1,717.18
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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.