Home / 3,037.20-4,191.22-1,711.16

Finding the Fourth Proportional to 3,037.20, 4,191.22 and 1,711.16

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Solution

The fourth proportional to 3,037.20, 4,191.22 and 1,711.16 is: 2,361.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.20 : 4,191.22 = 1,711.16 : x
  2. Step 2: Convert to fraction form
    3,037.20/4,191.22 = 1,711.16/x
  3. Step 3: Cross multiply
    3,037.20x = 4,191.22 × 1,711.16
  4. Step 4: Simplify right side
    3,037.20x = 7,171,848.02
  5. Step 5: Solve for x
    x = 7,171,848.02/3,037.20
  6. Step 6: Final answer
    x = 2,361.34

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Half scale
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Double scale
Find fourth proportional to 3,038.20, 4,192.60 and 1,712.16
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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.