Home / 3,416.99-5,123.74-1,566.50

Finding the Fourth Proportional to 3,416.99, 5,123.74 and 1,566.50

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Solution

The fourth proportional to 3,416.99, 5,123.74 and 1,566.50 is: 2,348.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.99 : 5,123.74 = 1,566.50 : x
  2. Step 2: Convert to fraction form
    3,416.99/5,123.74 = 1,566.50/x
  3. Step 3: Cross multiply
    3,416.99x = 5,123.74 × 1,566.50
  4. Step 4: Simplify right side
    3,416.99x = 8,026,338.71
  5. Step 5: Solve for x
    x = 8,026,338.71/3,416.99
  6. Step 6: Final answer
    x = 2,348.95

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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.