Home / 3,057.68-4,220.04-2,173.52

Finding the Fourth Proportional to 3,057.68, 4,220.04 and 2,173.52

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Solution

The fourth proportional to 3,057.68, 4,220.04 and 2,173.52 is: 2,999.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.68 : 4,220.04 = 2,173.52 : x
  2. Step 2: Convert to fraction form
    3,057.68/4,220.04 = 2,173.52/x
  3. Step 3: Cross multiply
    3,057.68x = 4,220.04 × 2,173.52
  4. Step 4: Simplify right side
    3,057.68x = 9,172,341.34
  5. Step 5: Solve for x
    x = 9,172,341.34/3,057.68
  6. Step 6: Final answer
    x = 2,999.77

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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.