Home / 7,176.56-9,904.59-4,032.75

Finding the Fourth Proportional to 7,176.56, 9,904.59 and 4,032.75

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Solution

The fourth proportional to 7,176.56, 9,904.59 and 4,032.75 is: 5,565.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.56 : 9,904.59 = 4,032.75 : x
  2. Step 2: Convert to fraction form
    7,176.56/9,904.59 = 4,032.75/x
  3. Step 3: Cross multiply
    7,176.56x = 9,904.59 × 4,032.75
  4. Step 4: Simplify right side
    7,176.56x = 39,942,720.20
  5. Step 5: Solve for x
    x = 39,942,720.20/7,176.56
  6. Step 6: Final answer
    x = 5,565.72

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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.