Home / 7,919.96-10,931.99-4,565.02

Finding the Fourth Proportional to 7,919.96, 10,931.99 and 4,565.02

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Solution

The fourth proportional to 7,919.96, 10,931.99 and 4,565.02 is: 6,301.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.96 : 10,931.99 = 4,565.02 : x
  2. Step 2: Convert to fraction form
    7,919.96/10,931.99 = 4,565.02/x
  3. Step 3: Cross multiply
    7,919.96x = 10,931.99 × 4,565.02
  4. Step 4: Simplify right side
    7,919.96x = 49,904,751.54
  5. Step 5: Solve for x
    x = 49,904,751.54/7,919.96
  6. Step 6: Final answer
    x = 6,301.13

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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.