Home / 6,677.85-9,215.38-3,693.57

Finding the Fourth Proportional to 6,677.85, 9,215.38 and 3,693.57

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Solution

The fourth proportional to 6,677.85, 9,215.38 and 3,693.57 is: 5,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,677.85 : 9,215.38 = 3,693.57 : x
  2. Step 2: Convert to fraction form
    6,677.85/9,215.38 = 3,693.57/x
  3. Step 3: Cross multiply
    6,677.85x = 9,215.38 × 3,693.57
  4. Step 4: Simplify right side
    6,677.85x = 34,037,655.72
  5. Step 5: Solve for x
    x = 34,037,655.72/6,677.85
  6. Step 6: Final answer
    x = 5,097.10

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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.