Home / 4,155.60-5,738.40-2,586.36

Finding the Fourth Proportional to 4,155.60, 5,738.40 and 2,586.36

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Solution

The fourth proportional to 4,155.60, 5,738.40 and 2,586.36 is: 3,571.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.60 : 5,738.40 = 2,586.36 : x
  2. Step 2: Convert to fraction form
    4,155.60/5,738.40 = 2,586.36/x
  3. Step 3: Cross multiply
    4,155.60x = 5,738.40 × 2,586.36
  4. Step 4: Simplify right side
    4,155.60x = 14,841,568.22
  5. Step 5: Solve for x
    x = 14,841,568.22/4,155.60
  6. Step 6: Final answer
    x = 3,571.46

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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.