Home / 6,225.82-8,588.29-3,985.28

Finding the Fourth Proportional to 6,225.82, 8,588.29 and 3,985.28

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Solution

The fourth proportional to 6,225.82, 8,588.29 and 3,985.28 is: 5,497.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,225.82 : 8,588.29 = 3,985.28 : x
  2. Step 2: Convert to fraction form
    6,225.82/8,588.29 = 3,985.28/x
  3. Step 3: Cross multiply
    6,225.82x = 8,588.29 × 3,985.28
  4. Step 4: Simplify right side
    6,225.82x = 34,226,730.41
  5. Step 5: Solve for x
    x = 34,226,730.41/6,225.82
  6. Step 6: Final answer
    x = 5,497.55

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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.