Home / 7,177.50-9,905.58-4,033.71

Finding the Fourth Proportional to 7,177.50, 9,905.58 and 4,033.71

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Solution

The fourth proportional to 7,177.50, 9,905.58 and 4,033.71 is: 5,566.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.50 : 9,905.58 = 4,033.71 : x
  2. Step 2: Convert to fraction form
    7,177.50/9,905.58 = 4,033.71/x
  3. Step 3: Cross multiply
    7,177.50x = 9,905.58 × 4,033.71
  4. Step 4: Simplify right side
    7,177.50x = 39,956,237.10
  5. Step 5: Solve for x
    x = 39,956,237.10/7,177.50
  6. Step 6: Final answer
    x = 5,566.87

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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.