Home / 2,946.96-4,395.60-2,742.84

Finding the Fourth Proportional to 2,946.96, 4,395.60 and 2,742.84

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Solution

The fourth proportional to 2,946.96, 4,395.60 and 2,742.84 is: 4,091.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.96 : 4,395.60 = 2,742.84 : x
  2. Step 2: Convert to fraction form
    2,946.96/4,395.60 = 2,742.84/x
  3. Step 3: Cross multiply
    2,946.96x = 4,395.60 × 2,742.84
  4. Step 4: Simplify right side
    2,946.96x = 12,056,427.50
  5. Step 5: Solve for x
    x = 12,056,427.50/2,946.96
  6. Step 6: Final answer
    x = 4,091.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.