Home / 2,765.02-3,809.23-1,924.28

Finding the Fourth Proportional to 2,765.02, 3,809.23 and 1,924.28

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Solution

The fourth proportional to 2,765.02, 3,809.23 and 1,924.28 is: 2,650.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.02 : 3,809.23 = 1,924.28 : x
  2. Step 2: Convert to fraction form
    2,765.02/3,809.23 = 1,924.28/x
  3. Step 3: Cross multiply
    2,765.02x = 3,809.23 × 1,924.28
  4. Step 4: Simplify right side
    2,765.02x = 7,330,025.10
  5. Step 5: Solve for x
    x = 7,330,025.10/2,765.02
  6. Step 6: Final answer
    x = 2,650.98

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1.5x scale

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.