Home / 5,576.02-8,414.63-5,390.12

Finding the Fourth Proportional to 5,576.02, 8,414.63 and 5,390.12

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Solution

The fourth proportional to 5,576.02, 8,414.63 and 5,390.12 is: 8,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.02 : 8,414.63 = 5,390.12 : x
  2. Step 2: Convert to fraction form
    5,576.02/8,414.63 = 5,390.12/x
  3. Step 3: Cross multiply
    5,576.02x = 8,414.63 × 5,390.12
  4. Step 4: Simplify right side
    5,576.02x = 45,355,879.75
  5. Step 5: Solve for x
    x = 45,355,879.75/5,576.02
  6. Step 6: Final answer
    x = 8,134.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.