Home / 3,005.02-4,124.86-2,666.04

Finding the Fourth Proportional to 3,005.02, 4,124.86 and 2,666.04

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Solution

The fourth proportional to 3,005.02, 4,124.86 and 2,666.04 is: 3,659.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.02 : 4,124.86 = 2,666.04 : x
  2. Step 2: Convert to fraction form
    3,005.02/4,124.86 = 2,666.04/x
  3. Step 3: Cross multiply
    3,005.02x = 4,124.86 × 2,666.04
  4. Step 4: Simplify right side
    3,005.02x = 10,997,007.80
  5. Step 5: Solve for x
    x = 10,997,007.80/3,005.02
  6. Step 6: Final answer
    x = 3,659.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.