Home / 2,992.55-4,127.90-2,362.10

Finding the Fourth Proportional to 2,992.55, 4,127.90 and 2,362.10

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Solution

The fourth proportional to 2,992.55, 4,127.90 and 2,362.10 is: 3,258.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.55 : 4,127.90 = 2,362.10 : x
  2. Step 2: Convert to fraction form
    2,992.55/4,127.90 = 2,362.10/x
  3. Step 3: Cross multiply
    2,992.55x = 4,127.90 × 2,362.10
  4. Step 4: Simplify right side
    2,992.55x = 9,750,480.14
  5. Step 5: Solve for x
    x = 9,750,480.14/2,992.55
  6. Step 6: Final answer
    x = 3,258.26

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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.