Home / 5,555.22-8,273.15-5,315.33

Finding the Fourth Proportional to 5,555.22, 8,273.15 and 5,315.33

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Solution

The fourth proportional to 5,555.22, 8,273.15 and 5,315.33 is: 7,915.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.22 : 8,273.15 = 5,315.33 : x
  2. Step 2: Convert to fraction form
    5,555.22/8,273.15 = 5,315.33/x
  3. Step 3: Cross multiply
    5,555.22x = 8,273.15 × 5,315.33
  4. Step 4: Simplify right side
    5,555.22x = 43,974,454.45
  5. Step 5: Solve for x
    x = 43,974,454.45/5,555.22
  6. Step 6: Final answer
    x = 7,915.88

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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.