Home / 4,356.42-6,525.59-2,128.52

Finding the Fourth Proportional to 4,356.42, 6,525.59 and 2,128.52

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Solution

The fourth proportional to 4,356.42, 6,525.59 and 2,128.52 is: 3,188.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,356.42 : 6,525.59 = 2,128.52 : x
  2. Step 2: Convert to fraction form
    4,356.42/6,525.59 = 2,128.52/x
  3. Step 3: Cross multiply
    4,356.42x = 6,525.59 × 2,128.52
  4. Step 4: Simplify right side
    4,356.42x = 13,889,854.50
  5. Step 5: Solve for x
    x = 13,889,854.50/4,356.42
  6. Step 6: Final answer
    x = 3,188.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.