Home / 5,416.80-7,474.72-3,058.72

Finding the Fourth Proportional to 5,416.80, 7,474.72 and 3,058.72

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Solution

The fourth proportional to 5,416.80, 7,474.72 and 3,058.72 is: 4,220.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.80 : 7,474.72 = 3,058.72 : x
  2. Step 2: Convert to fraction form
    5,416.80/7,474.72 = 3,058.72/x
  3. Step 3: Cross multiply
    5,416.80x = 7,474.72 × 3,058.72
  4. Step 4: Simplify right side
    5,416.80x = 22,863,075.56
  5. Step 5: Solve for x
    x = 22,863,075.56/5,416.80
  6. Step 6: Final answer
    x = 4,220.77

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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.