Home / 4,782.15-7,176.51-1,860.48

Finding the Fourth Proportional to 4,782.15, 7,176.51 and 1,860.48

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Solution

The fourth proportional to 4,782.15, 7,176.51 and 1,860.48 is: 2,792.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.15 : 7,176.51 = 1,860.48 : x
  2. Step 2: Convert to fraction form
    4,782.15/7,176.51 = 1,860.48/x
  3. Step 3: Cross multiply
    4,782.15x = 7,176.51 × 1,860.48
  4. Step 4: Simplify right side
    4,782.15x = 13,351,753.32
  5. Step 5: Solve for x
    x = 13,351,753.32/4,782.15
  6. Step 6: Final answer
    x = 2,792.00

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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.