Home / 3,113.59-4,296.75-1,716.34

Finding the Fourth Proportional to 3,113.59, 4,296.75 and 1,716.34

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Solution

The fourth proportional to 3,113.59, 4,296.75 and 1,716.34 is: 2,368.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.59 : 4,296.75 = 1,716.34 : x
  2. Step 2: Convert to fraction form
    3,113.59/4,296.75 = 1,716.34/x
  3. Step 3: Cross multiply
    3,113.59x = 4,296.75 × 1,716.34
  4. Step 4: Simplify right side
    3,113.59x = 7,374,683.90
  5. Step 5: Solve for x
    x = 7,374,683.90/3,113.59
  6. Step 6: Final answer
    x = 2,368.55

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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.