Home / 3,058.34-4,220.70-1,732.10

Finding the Fourth Proportional to 3,058.34, 4,220.70 and 1,732.10

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Solution

The fourth proportional to 3,058.34, 4,220.70 and 1,732.10 is: 2,390.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.34 : 4,220.70 = 1,732.10 : x
  2. Step 2: Convert to fraction form
    3,058.34/4,220.70 = 1,732.10/x
  3. Step 3: Cross multiply
    3,058.34x = 4,220.70 × 1,732.10
  4. Step 4: Simplify right side
    3,058.34x = 7,310,674.47
  5. Step 5: Solve for x
    x = 7,310,674.47/3,058.34
  6. Step 6: Final answer
    x = 2,390.41

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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.