Home / 5,299.09-7,312.79-2,941.39

Finding the Fourth Proportional to 5,299.09, 7,312.79 and 2,941.39

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Solution

The fourth proportional to 5,299.09, 7,312.79 and 2,941.39 is: 4,059.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.09 : 7,312.79 = 2,941.39 : x
  2. Step 2: Convert to fraction form
    5,299.09/7,312.79 = 2,941.39/x
  3. Step 3: Cross multiply
    5,299.09x = 7,312.79 × 2,941.39
  4. Step 4: Simplify right side
    5,299.09x = 21,509,767.38
  5. Step 5: Solve for x
    x = 21,509,767.38/5,299.09
  6. Step 6: Final answer
    x = 4,059.14

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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.