Home / 3,058.15-4,215.81-2,260.30

Finding the Fourth Proportional to 3,058.15, 4,215.81 and 2,260.30

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Solution

The fourth proportional to 3,058.15, 4,215.81 and 2,260.30 is: 3,115.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.15 : 4,215.81 = 2,260.30 : x
  2. Step 2: Convert to fraction form
    3,058.15/4,215.81 = 2,260.30/x
  3. Step 3: Cross multiply
    3,058.15x = 4,215.81 × 2,260.30
  4. Step 4: Simplify right side
    3,058.15x = 9,528,995.34
  5. Step 5: Solve for x
    x = 9,528,995.34/3,058.15
  6. Step 6: Final answer
    x = 3,115.93

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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.