Home / 5,588.36-8,382.51-2,125.61

Finding the Fourth Proportional to 5,588.36, 8,382.51 and 2,125.61

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Solution

The fourth proportional to 5,588.36, 8,382.51 and 2,125.61 is: 3,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,588.36 : 8,382.51 = 2,125.61 : x
  2. Step 2: Convert to fraction form
    5,588.36/8,382.51 = 2,125.61/x
  3. Step 3: Cross multiply
    5,588.36x = 8,382.51 × 2,125.61
  4. Step 4: Simplify right side
    5,588.36x = 17,817,905.17
  5. Step 5: Solve for x
    x = 17,817,905.17/5,588.36
  6. Step 6: Final answer
    x = 3,188.40

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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.