Home / 3,113.34-4,296.56-1,716.09

Finding the Fourth Proportional to 3,113.34, 4,296.56 and 1,716.09

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Solution

The fourth proportional to 3,113.34, 4,296.56 and 1,716.09 is: 2,368.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.34 : 4,296.56 = 1,716.09 : x
  2. Step 2: Convert to fraction form
    3,113.34/4,296.56 = 1,716.09/x
  3. Step 3: Cross multiply
    3,113.34x = 4,296.56 × 1,716.09
  4. Step 4: Simplify right side
    3,113.34x = 7,373,283.65
  5. Step 5: Solve for x
    x = 7,373,283.65/3,113.34
  6. Step 6: Final answer
    x = 2,368.29

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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.