Home / 1,784.74-2,462.80-1,076.44

Finding the Fourth Proportional to 1,784.74, 2,462.80 and 1,076.44

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Solution

The fourth proportional to 1,784.74, 2,462.80 and 1,076.44 is: 1,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.74 : 2,462.80 = 1,076.44 : x
  2. Step 2: Convert to fraction form
    1,784.74/2,462.80 = 1,076.44/x
  3. Step 3: Cross multiply
    1,784.74x = 2,462.80 × 1,076.44
  4. Step 4: Simplify right side
    1,784.74x = 2,651,056.43
  5. Step 5: Solve for x
    x = 2,651,056.43/1,784.74
  6. Step 6: Final answer
    x = 1,485.40

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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.