Home / 2,941.95-4,055.76-2,102.34

Finding the Fourth Proportional to 2,941.95, 4,055.76 and 2,102.34

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Solution

The fourth proportional to 2,941.95, 4,055.76 and 2,102.34 is: 2,898.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.95 : 4,055.76 = 2,102.34 : x
  2. Step 2: Convert to fraction form
    2,941.95/4,055.76 = 2,102.34/x
  3. Step 3: Cross multiply
    2,941.95x = 4,055.76 × 2,102.34
  4. Step 4: Simplify right side
    2,941.95x = 8,526,586.48
  5. Step 5: Solve for x
    x = 8,526,586.48/2,941.95
  6. Step 6: Final answer
    x = 2,898.28

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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.