Home / 4,129.75-5,698.98-2,337.21

Finding the Fourth Proportional to 4,129.75, 5,698.98 and 2,337.21

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Solution

The fourth proportional to 4,129.75, 5,698.98 and 2,337.21 is: 3,225.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.75 : 5,698.98 = 2,337.21 : x
  2. Step 2: Convert to fraction form
    4,129.75/5,698.98 = 2,337.21/x
  3. Step 3: Cross multiply
    4,129.75x = 5,698.98 × 2,337.21
  4. Step 4: Simplify right side
    4,129.75x = 13,319,713.05
  5. Step 5: Solve for x
    x = 13,319,713.05/4,129.75
  6. Step 6: Final answer
    x = 3,225.31

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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.