Home / 5,153.40-7,113.24-3,058.74

Finding the Fourth Proportional to 5,153.40, 7,113.24 and 3,058.74

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Solution

The fourth proportional to 5,153.40, 7,113.24 and 3,058.74 is: 4,221.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.40 : 7,113.24 = 3,058.74 : x
  2. Step 2: Convert to fraction form
    5,153.40/7,113.24 = 3,058.74/x
  3. Step 3: Cross multiply
    5,153.40x = 7,113.24 × 3,058.74
  4. Step 4: Simplify right side
    5,153.40x = 21,757,551.72
  5. Step 5: Solve for x
    x = 21,757,551.72/5,153.40
  6. Step 6: Final answer
    x = 4,221.98

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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.