Home / 3,058.01-4,220.07-1,731.45

Finding the Fourth Proportional to 3,058.01, 4,220.07 and 1,731.45

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Solution

The fourth proportional to 3,058.01, 4,220.07 and 1,731.45 is: 2,389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.01 : 4,220.07 = 1,731.45 : x
  2. Step 2: Convert to fraction form
    3,058.01/4,220.07 = 1,731.45/x
  3. Step 3: Cross multiply
    3,058.01x = 4,220.07 × 1,731.45
  4. Step 4: Simplify right side
    3,058.01x = 7,306,840.20
  5. Step 5: Solve for x
    x = 7,306,840.20/3,058.01
  6. Step 6: Final answer
    x = 2,389.41

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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.