Home / 4,152.52-5,729.90-2,289.56

Finding the Fourth Proportional to 4,152.52, 5,729.90 and 2,289.56

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Solution

The fourth proportional to 4,152.52, 5,729.90 and 2,289.56 is: 3,159.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.52 : 5,729.90 = 2,289.56 : x
  2. Step 2: Convert to fraction form
    4,152.52/5,729.90 = 2,289.56/x
  3. Step 3: Cross multiply
    4,152.52x = 5,729.90 × 2,289.56
  4. Step 4: Simplify right side
    4,152.52x = 13,118,949.84
  5. Step 5: Solve for x
    x = 13,118,949.84/4,152.52
  6. Step 6: Final answer
    x = 3,159.27

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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.