Home / 4,687.19-7,030.60-1,177.22

Finding the Fourth Proportional to 4,687.19, 7,030.60 and 1,177.22

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Solution

The fourth proportional to 4,687.19, 7,030.60 and 1,177.22 is: 1,765.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.19 : 7,030.60 = 1,177.22 : x
  2. Step 2: Convert to fraction form
    4,687.19/7,030.60 = 1,177.22/x
  3. Step 3: Cross multiply
    4,687.19x = 7,030.60 × 1,177.22
  4. Step 4: Simplify right side
    4,687.19x = 8,276,527.78
  5. Step 5: Solve for x
    x = 8,276,527.78/4,687.19
  6. Step 6: Final answer
    x = 1,765.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.