Home / 5,440.35-7,511.29-4,179.15

Finding the Fourth Proportional to 5,440.35, 7,511.29 and 4,179.15

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Solution

The fourth proportional to 5,440.35, 7,511.29 and 4,179.15 is: 5,770.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.35 : 7,511.29 = 4,179.15 : x
  2. Step 2: Convert to fraction form
    5,440.35/7,511.29 = 4,179.15/x
  3. Step 3: Cross multiply
    5,440.35x = 7,511.29 × 4,179.15
  4. Step 4: Simplify right side
    5,440.35x = 31,390,807.60
  5. Step 5: Solve for x
    x = 31,390,807.60/5,440.35
  6. Step 6: Final answer
    x = 5,770.00

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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.