Home / 5,718.30-8,580.38-4,331.17

Finding the Fourth Proportional to 5,718.30, 8,580.38 and 4,331.17

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Solution

The fourth proportional to 5,718.30, 8,580.38 and 4,331.17 is: 6,498.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.30 : 8,580.38 = 4,331.17 : x
  2. Step 2: Convert to fraction form
    5,718.30/8,580.38 = 4,331.17/x
  3. Step 3: Cross multiply
    5,718.30x = 8,580.38 × 4,331.17
  4. Step 4: Simplify right side
    5,718.30x = 37,163,097.88
  5. Step 5: Solve for x
    x = 37,163,097.88/5,718.30
  6. Step 6: Final answer
    x = 6,498.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.