Home / 4,131.64-5,702.70-3,515.32

Finding the Fourth Proportional to 4,131.64, 5,702.70 and 3,515.32

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Solution

The fourth proportional to 4,131.64, 5,702.70 and 3,515.32 is: 4,852.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.64 : 5,702.70 = 3,515.32 : x
  2. Step 2: Convert to fraction form
    4,131.64/5,702.70 = 3,515.32/x
  3. Step 3: Cross multiply
    4,131.64x = 5,702.70 × 3,515.32
  4. Step 4: Simplify right side
    4,131.64x = 20,046,815.36
  5. Step 5: Solve for x
    x = 20,046,815.36/4,131.64
  6. Step 6: Final answer
    x = 4,852.02

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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.