Home / 5,697.18-7,862.31-3,339.18

Finding the Fourth Proportional to 5,697.18, 7,862.31 and 3,339.18

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Solution

The fourth proportional to 5,697.18, 7,862.31 and 3,339.18 is: 4,608.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,697.18 : 7,862.31 = 3,339.18 : x
  2. Step 2: Convert to fraction form
    5,697.18/7,862.31 = 3,339.18/x
  3. Step 3: Cross multiply
    5,697.18x = 7,862.31 × 3,339.18
  4. Step 4: Simplify right side
    5,697.18x = 26,253,668.31
  5. Step 5: Solve for x
    x = 26,253,668.31/5,697.18
  6. Step 6: Final answer
    x = 4,608.19

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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.