Home / 2,181.04-3,010.90-1,518.46

Finding the Fourth Proportional to 2,181.04, 3,010.90 and 1,518.46

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Solution

The fourth proportional to 2,181.04, 3,010.90 and 1,518.46 is: 2,096.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.04 : 3,010.90 = 1,518.46 : x
  2. Step 2: Convert to fraction form
    2,181.04/3,010.90 = 1,518.46/x
  3. Step 3: Cross multiply
    2,181.04x = 3,010.90 × 1,518.46
  4. Step 4: Simplify right side
    2,181.04x = 4,571,931.21
  5. Step 5: Solve for x
    x = 4,571,931.21/2,181.04
  6. Step 6: Final answer
    x = 2,096.22

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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.