Home / 2,518.60-3,477.36-1,928.08

Finding the Fourth Proportional to 2,518.60, 3,477.36 and 1,928.08

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Solution

The fourth proportional to 2,518.60, 3,477.36 and 1,928.08 is: 2,662.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.60 : 3,477.36 = 1,928.08 : x
  2. Step 2: Convert to fraction form
    2,518.60/3,477.36 = 1,928.08/x
  3. Step 3: Cross multiply
    2,518.60x = 3,477.36 × 1,928.08
  4. Step 4: Simplify right side
    2,518.60x = 6,704,628.27
  5. Step 5: Solve for x
    x = 6,704,628.27/2,518.60
  6. Step 6: Final answer
    x = 2,662.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.