Home / 2,993.60-4,130.90-1,734.25

Finding the Fourth Proportional to 2,993.60, 4,130.90 and 1,734.25

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Solution

The fourth proportional to 2,993.60, 4,130.90 and 1,734.25 is: 2,393.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.60 : 4,130.90 = 1,734.25 : x
  2. Step 2: Convert to fraction form
    2,993.60/4,130.90 = 1,734.25/x
  3. Step 3: Cross multiply
    2,993.60x = 4,130.90 × 1,734.25
  4. Step 4: Simplify right side
    2,993.60x = 7,164,013.33
  5. Step 5: Solve for x
    x = 7,164,013.33/2,993.60
  6. Step 6: Final answer
    x = 2,393.11

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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.