Home / 1,973.22-2,720.16-1,621.14

Finding the Fourth Proportional to 1,973.22, 2,720.16 and 1,621.14

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Solution

The fourth proportional to 1,973.22, 2,720.16 and 1,621.14 is: 2,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.22 : 2,720.16 = 1,621.14 : x
  2. Step 2: Convert to fraction form
    1,973.22/2,720.16 = 1,621.14/x
  3. Step 3: Cross multiply
    1,973.22x = 2,720.16 × 1,621.14
  4. Step 4: Simplify right side
    1,973.22x = 4,409,760.18
  5. Step 5: Solve for x
    x = 4,409,760.18/1,973.22
  6. Step 6: Final answer
    x = 2,234.80

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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.