Home / 6,217.56-8,579.93-3,702.51

Finding the Fourth Proportional to 6,217.56, 8,579.93 and 3,702.51

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Solution

The fourth proportional to 6,217.56, 8,579.93 and 3,702.51 is: 5,109.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217.56 : 8,579.93 = 3,702.51 : x
  2. Step 2: Convert to fraction form
    6,217.56/8,579.93 = 3,702.51/x
  3. Step 3: Cross multiply
    6,217.56x = 8,579.93 × 3,702.51
  4. Step 4: Simplify right side
    6,217.56x = 31,767,258.11
  5. Step 5: Solve for x
    x = 31,767,258.11/6,217.56
  6. Step 6: Final answer
    x = 5,109.28

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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.