Home / 5,416.11-7,479.68-4,665.87

Finding the Fourth Proportional to 5,416.11, 7,479.68 and 4,665.87

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Solution

The fourth proportional to 5,416.11, 7,479.68 and 4,665.87 is: 6,443.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.11 : 7,479.68 = 4,665.87 : x
  2. Step 2: Convert to fraction form
    5,416.11/7,479.68 = 4,665.87/x
  3. Step 3: Cross multiply
    5,416.11x = 7,479.68 × 4,665.87
  4. Step 4: Simplify right side
    5,416.11x = 34,899,191.19
  5. Step 5: Solve for x
    x = 34,899,191.19/5,416.11
  6. Step 6: Final answer
    x = 6,443.59

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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.