Home / 3,113.59-4,296.67-1,716.25

Finding the Fourth Proportional to 3,113.59, 4,296.67 and 1,716.25

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Solution

The fourth proportional to 3,113.59, 4,296.67 and 1,716.25 is: 2,368.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.59 : 4,296.67 = 1,716.25 : x
  2. Step 2: Convert to fraction form
    3,113.59/4,296.67 = 1,716.25/x
  3. Step 3: Cross multiply
    3,113.59x = 4,296.67 × 1,716.25
  4. Step 4: Simplify right side
    3,113.59x = 7,374,159.89
  5. Step 5: Solve for x
    x = 7,374,159.89/3,113.59
  6. Step 6: Final answer
    x = 2,368.38

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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.