Home / 6,482.40-9,723.48-2,099.86

Finding the Fourth Proportional to 6,482.40, 9,723.48 and 2,099.86

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Solution

The fourth proportional to 6,482.40, 9,723.48 and 2,099.86 is: 3,149.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,482.40 : 9,723.48 = 2,099.86 : x
  2. Step 2: Convert to fraction form
    6,482.40/9,723.48 = 2,099.86/x
  3. Step 3: Cross multiply
    6,482.40x = 9,723.48 × 2,099.86
  4. Step 4: Simplify right side
    6,482.40x = 20,417,946.71
  5. Step 5: Solve for x
    x = 20,417,946.71/6,482.40
  6. Step 6: Final answer
    x = 3,149.75

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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.