Home / 5,558.69-8,316.81-4,860.20

Finding the Fourth Proportional to 5,558.69, 8,316.81 and 4,860.20

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Solution

The fourth proportional to 5,558.69, 8,316.81 and 4,860.20 is: 7,271.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.69 : 8,316.81 = 4,860.20 : x
  2. Step 2: Convert to fraction form
    5,558.69/8,316.81 = 4,860.20/x
  3. Step 3: Cross multiply
    5,558.69x = 8,316.81 × 4,860.20
  4. Step 4: Simplify right side
    5,558.69x = 40,421,380.75
  5. Step 5: Solve for x
    x = 40,421,380.75/5,558.69
  6. Step 6: Final answer
    x = 7,271.74

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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.