Home / 6,516.54-8,990.01-4,360.50

Finding the Fourth Proportional to 6,516.54, 8,990.01 and 4,360.50

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Solution

The fourth proportional to 6,516.54, 8,990.01 and 4,360.50 is: 6,015.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.54 : 8,990.01 = 4,360.50 : x
  2. Step 2: Convert to fraction form
    6,516.54/8,990.01 = 4,360.50/x
  3. Step 3: Cross multiply
    6,516.54x = 8,990.01 × 4,360.50
  4. Step 4: Simplify right side
    6,516.54x = 39,200,938.61
  5. Step 5: Solve for x
    x = 39,200,938.61/6,516.54
  6. Step 6: Final answer
    x = 6,015.61

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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.