Home / 5,628.74-7,758.34-4,229.06

Finding the Fourth Proportional to 5,628.74, 7,758.34 and 4,229.06

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Solution

The fourth proportional to 5,628.74, 7,758.34 and 4,229.06 is: 5,829.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.74 : 7,758.34 = 4,229.06 : x
  2. Step 2: Convert to fraction form
    5,628.74/7,758.34 = 4,229.06/x
  3. Step 3: Cross multiply
    5,628.74x = 7,758.34 × 4,229.06
  4. Step 4: Simplify right side
    5,628.74x = 32,810,436.00
  5. Step 5: Solve for x
    x = 32,810,436.00/5,628.74
  6. Step 6: Final answer
    x = 5,829.10

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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.