Home / 7,176.92-9,903.47-4,151.27

Finding the Fourth Proportional to 7,176.92, 9,903.47 and 4,151.27

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Solution

The fourth proportional to 7,176.92, 9,903.47 and 4,151.27 is: 5,728.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.92 : 9,903.47 = 4,151.27 : x
  2. Step 2: Convert to fraction form
    7,176.92/9,903.47 = 4,151.27/x
  3. Step 3: Cross multiply
    7,176.92x = 9,903.47 × 4,151.27
  4. Step 4: Simplify right side
    7,176.92x = 41,111,907.63
  5. Step 5: Solve for x
    x = 41,111,907.63/7,176.92
  6. Step 6: Final answer
    x = 5,728.35

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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.