Home / 4,750.84-7,123.74-1,670.68

Finding the Fourth Proportional to 4,750.84, 7,123.74 and 1,670.68

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Solution

The fourth proportional to 4,750.84, 7,123.74 and 1,670.68 is: 2,505.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750.84 : 7,123.74 = 1,670.68 : x
  2. Step 2: Convert to fraction form
    4,750.84/7,123.74 = 1,670.68/x
  3. Step 3: Cross multiply
    4,750.84x = 7,123.74 × 1,670.68
  4. Step 4: Simplify right side
    4,750.84x = 11,901,489.94
  5. Step 5: Solve for x
    x = 11,901,489.94/4,750.84
  6. Step 6: Final answer
    x = 2,505.13

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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.