Home / 2,839.40-3,916.15-1,844.99

Finding the Fourth Proportional to 2,839.40, 3,916.15 and 1,844.99

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Solution

The fourth proportional to 2,839.40, 3,916.15 and 1,844.99 is: 2,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.40 : 3,916.15 = 1,844.99 : x
  2. Step 2: Convert to fraction form
    2,839.40/3,916.15 = 1,844.99/x
  3. Step 3: Cross multiply
    2,839.40x = 3,916.15 × 1,844.99
  4. Step 4: Simplify right side
    2,839.40x = 7,225,270.11
  5. Step 5: Solve for x
    x = 7,225,270.11/2,839.40
  6. Step 6: Final answer
    x = 2,544.65

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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.