Home / 3,133.15-4,323.56-1,716.55

Finding the Fourth Proportional to 3,133.15, 4,323.56 and 1,716.55

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Solution

The fourth proportional to 3,133.15, 4,323.56 and 1,716.55 is: 2,368.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.15 : 4,323.56 = 1,716.55 : x
  2. Step 2: Convert to fraction form
    3,133.15/4,323.56 = 1,716.55/x
  3. Step 3: Cross multiply
    3,133.15x = 4,323.56 × 1,716.55
  4. Step 4: Simplify right side
    3,133.15x = 7,421,587.53
  5. Step 5: Solve for x
    x = 7,421,587.53/3,133.15
  6. Step 6: Final answer
    x = 2,368.73

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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.