Home / 3,058.47-4,220.70-1,732.42

Finding the Fourth Proportional to 3,058.47, 4,220.70 and 1,732.42

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Solution

The fourth proportional to 3,058.47, 4,220.70 and 1,732.42 is: 2,390.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.47 : 4,220.70 = 1,732.42 : x
  2. Step 2: Convert to fraction form
    3,058.47/4,220.70 = 1,732.42/x
  3. Step 3: Cross multiply
    3,058.47x = 4,220.70 × 1,732.42
  4. Step 4: Simplify right side
    3,058.47x = 7,312,025.09
  5. Step 5: Solve for x
    x = 7,312,025.09/3,058.47
  6. Step 6: Final answer
    x = 2,390.75

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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.