Home / 5,245.14-7,870.41-4,873.35

Finding the Fourth Proportional to 5,245.14, 7,870.41 and 4,873.35

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Solution

The fourth proportional to 5,245.14, 7,870.41 and 4,873.35 is: 7,312.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.14 : 7,870.41 = 4,873.35 : x
  2. Step 2: Convert to fraction form
    5,245.14/7,870.41 = 4,873.35/x
  3. Step 3: Cross multiply
    5,245.14x = 7,870.41 × 4,873.35
  4. Step 4: Simplify right side
    5,245.14x = 38,355,262.57
  5. Step 5: Solve for x
    x = 38,355,262.57/5,245.14
  6. Step 6: Final answer
    x = 7,312.53

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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.