Home / 5,602.95-8,388.21-4,222.11

Finding the Fourth Proportional to 5,602.95, 8,388.21 and 4,222.11

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Solution

The fourth proportional to 5,602.95, 8,388.21 and 4,222.11 is: 6,320.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,602.95 : 8,388.21 = 4,222.11 : x
  2. Step 2: Convert to fraction form
    5,602.95/8,388.21 = 4,222.11/x
  3. Step 3: Cross multiply
    5,602.95x = 8,388.21 × 4,222.11
  4. Step 4: Simplify right side
    5,602.95x = 35,415,945.32
  5. Step 5: Solve for x
    x = 35,415,945.32/5,602.95
  6. Step 6: Final answer
    x = 6,320.95

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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.