Home / 4,792.02-7,185.19-1,866.90

Finding the Fourth Proportional to 4,792.02, 7,185.19 and 1,866.90

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Solution

The fourth proportional to 4,792.02, 7,185.19 and 1,866.90 is: 2,799.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,792.02 : 7,185.19 = 1,866.90 : x
  2. Step 2: Convert to fraction form
    4,792.02/7,185.19 = 1,866.90/x
  3. Step 3: Cross multiply
    4,792.02x = 7,185.19 × 1,866.90
  4. Step 4: Simplify right side
    4,792.02x = 13,414,031.21
  5. Step 5: Solve for x
    x = 13,414,031.21/4,792.02
  6. Step 6: Final answer
    x = 2,799.24

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1.5x scale

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.