Home / 5,785.56-7,984.09-3,132.98

Finding the Fourth Proportional to 5,785.56, 7,984.09 and 3,132.98

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Solution

The fourth proportional to 5,785.56, 7,984.09 and 3,132.98 is: 4,323.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.56 : 7,984.09 = 3,132.98 : x
  2. Step 2: Convert to fraction form
    5,785.56/7,984.09 = 3,132.98/x
  3. Step 3: Cross multiply
    5,785.56x = 7,984.09 × 3,132.98
  4. Step 4: Simplify right side
    5,785.56x = 25,013,970.60
  5. Step 5: Solve for x
    x = 25,013,970.60/5,785.56
  6. Step 6: Final answer
    x = 4,323.52

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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.