Home / 6,145.52-8,479.62-4,254.03

Finding the Fourth Proportional to 6,145.52, 8,479.62 and 4,254.03

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Solution

The fourth proportional to 6,145.52, 8,479.62 and 4,254.03 is: 5,869.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.52 : 8,479.62 = 4,254.03 : x
  2. Step 2: Convert to fraction form
    6,145.52/8,479.62 = 4,254.03/x
  3. Step 3: Cross multiply
    6,145.52x = 8,479.62 × 4,254.03
  4. Step 4: Simplify right side
    6,145.52x = 36,072,557.87
  5. Step 5: Solve for x
    x = 36,072,557.87/6,145.52
  6. Step 6: Final answer
    x = 5,869.74

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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.