Home / 4,122.19-6,181.01-1,655.74

Finding the Fourth Proportional to 4,122.19, 6,181.01 and 1,655.74

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Solution

The fourth proportional to 4,122.19, 6,181.01 and 1,655.74 is: 2,482.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.19 : 6,181.01 = 1,655.74 : x
  2. Step 2: Convert to fraction form
    4,122.19/6,181.01 = 1,655.74/x
  3. Step 3: Cross multiply
    4,122.19x = 6,181.01 × 1,655.74
  4. Step 4: Simplify right side
    4,122.19x = 10,234,151.15
  5. Step 5: Solve for x
    x = 10,234,151.15/4,122.19
  6. Step 6: Final answer
    x = 2,482.70

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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.