Home / 6,085.86-8,398.50-3,291.36

Finding the Fourth Proportional to 6,085.86, 8,398.50 and 3,291.36

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Solution

The fourth proportional to 6,085.86, 8,398.50 and 3,291.36 is: 4,542.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,085.86 : 8,398.50 = 3,291.36 : x
  2. Step 2: Convert to fraction form
    6,085.86/8,398.50 = 3,291.36/x
  3. Step 3: Cross multiply
    6,085.86x = 8,398.50 × 3,291.36
  4. Step 4: Simplify right side
    6,085.86x = 27,642,486.96
  5. Step 5: Solve for x
    x = 27,642,486.96/6,085.86
  6. Step 6: Final answer
    x = 4,542.08

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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.