Home / 4,114.40-6,170.99-1,649.16

Finding the Fourth Proportional to 4,114.40, 6,170.99 and 1,649.16

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Solution

The fourth proportional to 4,114.40, 6,170.99 and 1,649.16 is: 2,473.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.40 : 6,170.99 = 1,649.16 : x
  2. Step 2: Convert to fraction form
    4,114.40/6,170.99 = 1,649.16/x
  3. Step 3: Cross multiply
    4,114.40x = 6,170.99 × 1,649.16
  4. Step 4: Simplify right side
    4,114.40x = 10,176,941.62
  5. Step 5: Solve for x
    x = 10,176,941.62/4,114.40
  6. Step 6: Final answer
    x = 2,473.50

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Half scale
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Double scale
Find fourth proportional to 4,115.40, 6,172.48 and 1,650.16
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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.