Home / 6,101.57-8,420.16-3,307.07

Finding the Fourth Proportional to 6,101.57, 8,420.16 and 3,307.07

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Solution

The fourth proportional to 6,101.57, 8,420.16 and 3,307.07 is: 4,563.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101.57 : 8,420.16 = 3,307.07 : x
  2. Step 2: Convert to fraction form
    6,101.57/8,420.16 = 3,307.07/x
  3. Step 3: Cross multiply
    6,101.57x = 8,420.16 × 3,307.07
  4. Step 4: Simplify right side
    6,101.57x = 27,846,058.53
  5. Step 5: Solve for x
    x = 27,846,058.53/6,101.57
  6. Step 6: Final answer
    x = 4,563.75

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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.