Home / 6,585.72-9,089.10-3,933.12

Finding the Fourth Proportional to 6,585.72, 9,089.10 and 3,933.12

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Solution

The fourth proportional to 6,585.72, 9,089.10 and 3,933.12 is: 5,428.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,585.72 : 9,089.10 = 3,933.12 : x
  2. Step 2: Convert to fraction form
    6,585.72/9,089.10 = 3,933.12/x
  3. Step 3: Cross multiply
    6,585.72x = 9,089.10 × 3,933.12
  4. Step 4: Simplify right side
    6,585.72x = 35,748,520.99
  5. Step 5: Solve for x
    x = 35,748,520.99/6,585.72
  6. Step 6: Final answer
    x = 5,428.19

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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.