Home / 3,036.23-4,189.76-1,777.11

Finding the Fourth Proportional to 3,036.23, 4,189.76 and 1,777.11

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Solution

The fourth proportional to 3,036.23, 4,189.76 and 1,777.11 is: 2,452.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.23 : 4,189.76 = 1,777.11 : x
  2. Step 2: Convert to fraction form
    3,036.23/4,189.76 = 1,777.11/x
  3. Step 3: Cross multiply
    3,036.23x = 4,189.76 × 1,777.11
  4. Step 4: Simplify right side
    3,036.23x = 7,445,646.46
  5. Step 5: Solve for x
    x = 7,445,646.46/3,036.23
  6. Step 6: Final answer
    x = 2,452.27

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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.