Home / 3,113.22-4,296.26-1,715.96

Finding the Fourth Proportional to 3,113.22, 4,296.26 and 1,715.96

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Solution

The fourth proportional to 3,113.22, 4,296.26 and 1,715.96 is: 2,368.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.22 : 4,296.26 = 1,715.96 : x
  2. Step 2: Convert to fraction form
    3,113.22/4,296.26 = 1,715.96/x
  3. Step 3: Cross multiply
    3,113.22x = 4,296.26 × 1,715.96
  4. Step 4: Simplify right side
    3,113.22x = 7,372,210.31
  5. Step 5: Solve for x
    x = 7,372,210.31/3,113.22
  6. Step 6: Final answer
    x = 2,368.03

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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.