Home / 5,708.64-8,564.16-2,421.66

Finding the Fourth Proportional to 5,708.64, 8,564.16 and 2,421.66

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Solution

The fourth proportional to 5,708.64, 8,564.16 and 2,421.66 is: 3,633.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.64 : 8,564.16 = 2,421.66 : x
  2. Step 2: Convert to fraction form
    5,708.64/8,564.16 = 2,421.66/x
  3. Step 3: Cross multiply
    5,708.64x = 8,564.16 × 2,421.66
  4. Step 4: Simplify right side
    5,708.64x = 20,739,524.90
  5. Step 5: Solve for x
    x = 20,739,524.90/5,708.64
  6. Step 6: Final answer
    x = 3,633.00

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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.