Home / 3,220.09-4,442.03-2,432.77

Finding the Fourth Proportional to 3,220.09, 4,442.03 and 2,432.77

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Solution

The fourth proportional to 3,220.09, 4,442.03 and 2,432.77 is: 3,355.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.09 : 4,442.03 = 2,432.77 : x
  2. Step 2: Convert to fraction form
    3,220.09/4,442.03 = 2,432.77/x
  3. Step 3: Cross multiply
    3,220.09x = 4,442.03 × 2,432.77
  4. Step 4: Simplify right side
    3,220.09x = 10,806,437.32
  5. Step 5: Solve for x
    x = 10,806,437.32/3,220.09
  6. Step 6: Final answer
    x = 3,355.94

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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.