Home / 7,176.38-9,903.30-4,032.57

Finding the Fourth Proportional to 7,176.38, 9,903.30 and 4,032.57

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Solution

The fourth proportional to 7,176.38, 9,903.30 and 4,032.57 is: 5,564.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.38 : 9,903.30 = 4,032.57 : x
  2. Step 2: Convert to fraction form
    7,176.38/9,903.30 = 4,032.57/x
  3. Step 3: Cross multiply
    7,176.38x = 9,903.30 × 4,032.57
  4. Step 4: Simplify right side
    7,176.38x = 39,935,750.48
  5. Step 5: Solve for x
    x = 39,935,750.48/7,176.38
  6. Step 6: Final answer
    x = 5,564.89

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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.