Home / 4,690.08-7,036.16-1,768.40

Finding the Fourth Proportional to 4,690.08, 7,036.16 and 1,768.40

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Solution

The fourth proportional to 4,690.08, 7,036.16 and 1,768.40 is: 2,652.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.08 : 7,036.16 = 1,768.40 : x
  2. Step 2: Convert to fraction form
    4,690.08/7,036.16 = 1,768.40/x
  3. Step 3: Cross multiply
    4,690.08x = 7,036.16 × 1,768.40
  4. Step 4: Simplify right side
    4,690.08x = 12,442,745.34
  5. Step 5: Solve for x
    x = 12,442,745.34/4,690.08
  6. Step 6: Final answer
    x = 2,652.99

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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.