Home / 2,353.16-3,529.88-621.76

Finding the Fourth Proportional to 2,353.16, 3,529.88 and 621.76

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Solution

The fourth proportional to 2,353.16, 3,529.88 and 621.76 is: 932.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.16 : 3,529.88 = 621.76 : x
  2. Step 2: Convert to fraction form
    2,353.16/3,529.88 = 621.76/x
  3. Step 3: Cross multiply
    2,353.16x = 3,529.88 × 621.76
  4. Step 4: Simplify right side
    2,353.16x = 2,194,738.19
  5. Step 5: Solve for x
    x = 2,194,738.19/2,353.16
  6. Step 6: Final answer
    x = 932.68

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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.