Home / 7,176.21-9,903.60-4,032.39

Finding the Fourth Proportional to 7,176.21, 9,903.60 and 4,032.39

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Solution

The fourth proportional to 7,176.21, 9,903.60 and 4,032.39 is: 5,564.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.21 : 9,903.60 = 4,032.39 : x
  2. Step 2: Convert to fraction form
    7,176.21/9,903.60 = 4,032.39/x
  3. Step 3: Cross multiply
    7,176.21x = 9,903.60 × 4,032.39
  4. Step 4: Simplify right side
    7,176.21x = 39,935,177.60
  5. Step 5: Solve for x
    x = 39,935,177.60/7,176.21
  6. Step 6: Final answer
    x = 5,564.94

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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.