Home / 5,222.12-7,205.10-3,360.20

Finding the Fourth Proportional to 5,222.12, 7,205.10 and 3,360.20

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Solution

The fourth proportional to 5,222.12, 7,205.10 and 3,360.20 is: 4,636.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.12 : 7,205.10 = 3,360.20 : x
  2. Step 2: Convert to fraction form
    5,222.12/7,205.10 = 3,360.20/x
  3. Step 3: Cross multiply
    5,222.12x = 7,205.10 × 3,360.20
  4. Step 4: Simplify right side
    5,222.12x = 24,210,577.02
  5. Step 5: Solve for x
    x = 24,210,577.02/5,222.12
  6. Step 6: Final answer
    x = 4,636.16

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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.