Home / 3,036.48-4,188.91-1,777.57

Finding the Fourth Proportional to 3,036.48, 4,188.91 and 1,777.57

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Solution

The fourth proportional to 3,036.48, 4,188.91 and 1,777.57 is: 2,452.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.48 : 4,188.91 = 1,777.57 : x
  2. Step 2: Convert to fraction form
    3,036.48/4,188.91 = 1,777.57/x
  3. Step 3: Cross multiply
    3,036.48x = 4,188.91 × 1,777.57
  4. Step 4: Simplify right side
    3,036.48x = 7,446,080.75
  5. Step 5: Solve for x
    x = 7,446,080.75/3,036.48
  6. Step 6: Final answer
    x = 2,452.21

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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.