Home / 3,070.37-4,242.51-2,412.45

Finding the Fourth Proportional to 3,070.37, 4,242.51 and 2,412.45

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Solution

The fourth proportional to 3,070.37, 4,242.51 and 2,412.45 is: 3,333.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.37 : 4,242.51 = 2,412.45 : x
  2. Step 2: Convert to fraction form
    3,070.37/4,242.51 = 2,412.45/x
  3. Step 3: Cross multiply
    3,070.37x = 4,242.51 × 2,412.45
  4. Step 4: Simplify right side
    3,070.37x = 10,234,843.25
  5. Step 5: Solve for x
    x = 10,234,843.25/3,070.37
  6. Step 6: Final answer
    x = 3,333.42

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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.