Home / 5,597.76-7,725.24-3,240.72

Finding the Fourth Proportional to 5,597.76, 7,725.24 and 3,240.72

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Solution

The fourth proportional to 5,597.76, 7,725.24 and 3,240.72 is: 4,472.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,597.76 : 7,725.24 = 3,240.72 : x
  2. Step 2: Convert to fraction form
    5,597.76/7,725.24 = 3,240.72/x
  3. Step 3: Cross multiply
    5,597.76x = 7,725.24 × 3,240.72
  4. Step 4: Simplify right side
    5,597.76x = 25,035,339.77
  5. Step 5: Solve for x
    x = 25,035,339.77/5,597.76
  6. Step 6: Final answer
    x = 4,472.39

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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.