Home / 5,599.41-8,400.29-2,312.75

Finding the Fourth Proportional to 5,599.41, 8,400.29 and 2,312.75

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Solution

The fourth proportional to 5,599.41, 8,400.29 and 2,312.75 is: 3,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.41 : 8,400.29 = 2,312.75 : x
  2. Step 2: Convert to fraction form
    5,599.41/8,400.29 = 2,312.75/x
  3. Step 3: Cross multiply
    5,599.41x = 8,400.29 × 2,312.75
  4. Step 4: Simplify right side
    5,599.41x = 19,427,717.13
  5. Step 5: Solve for x
    x = 19,427,717.13/5,599.41
  6. Step 6: Final answer
    x = 3,469.60

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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.