Home / 5,440.01-8,155.23-2,155.41

Finding the Fourth Proportional to 5,440.01, 8,155.23 and 2,155.41

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Solution

The fourth proportional to 5,440.01, 8,155.23 and 2,155.41 is: 3,231.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.01 : 8,155.23 = 2,155.41 : x
  2. Step 2: Convert to fraction form
    5,440.01/8,155.23 = 2,155.41/x
  3. Step 3: Cross multiply
    5,440.01x = 8,155.23 × 2,155.41
  4. Step 4: Simplify right side
    5,440.01x = 17,577,868.34
  5. Step 5: Solve for x
    x = 17,577,868.34/5,440.01
  6. Step 6: Final answer
    x = 3,231.22

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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.