Home / 5,614.36-8,428.83-4,316.74

Finding the Fourth Proportional to 5,614.36, 8,428.83 and 4,316.74

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Solution

The fourth proportional to 5,614.36, 8,428.83 and 4,316.74 is: 6,480.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.36 : 8,428.83 = 4,316.74 : x
  2. Step 2: Convert to fraction form
    5,614.36/8,428.83 = 4,316.74/x
  3. Step 3: Cross multiply
    5,614.36x = 8,428.83 × 4,316.74
  4. Step 4: Simplify right side
    5,614.36x = 36,385,067.61
  5. Step 5: Solve for x
    x = 36,385,067.61/5,614.36
  6. Step 6: Final answer
    x = 6,480.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.