Home / 5,657.18-8,482.53-2,190.38

Finding the Fourth Proportional to 5,657.18, 8,482.53 and 2,190.38

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Solution

The fourth proportional to 5,657.18, 8,482.53 and 2,190.38 is: 3,284.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.18 : 8,482.53 = 2,190.38 : x
  2. Step 2: Convert to fraction form
    5,657.18/8,482.53 = 2,190.38/x
  3. Step 3: Cross multiply
    5,657.18x = 8,482.53 × 2,190.38
  4. Step 4: Simplify right side
    5,657.18x = 18,579,964.06
  5. Step 5: Solve for x
    x = 18,579,964.06/5,657.18
  6. Step 6: Final answer
    x = 3,284.32

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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.