Home / 5,699.15-7,864.70-3,308.99

Finding the Fourth Proportional to 5,699.15, 7,864.70 and 3,308.99

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Solution

The fourth proportional to 5,699.15, 7,864.70 and 3,308.99 is: 4,566.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,699.15 : 7,864.70 = 3,308.99 : x
  2. Step 2: Convert to fraction form
    5,699.15/7,864.70 = 3,308.99/x
  3. Step 3: Cross multiply
    5,699.15x = 7,864.70 × 3,308.99
  4. Step 4: Simplify right side
    5,699.15x = 26,024,157.78
  5. Step 5: Solve for x
    x = 26,024,157.78/5,699.15
  6. Step 6: Final answer
    x = 4,566.33

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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.