Home / 2,186.10-3,011.52-1,625.61

Finding the Fourth Proportional to 2,186.10, 3,011.52 and 1,625.61

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Solution

The fourth proportional to 2,186.10, 3,011.52 and 1,625.61 is: 2,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.10 : 3,011.52 = 1,625.61 : x
  2. Step 2: Convert to fraction form
    2,186.10/3,011.52 = 1,625.61/x
  3. Step 3: Cross multiply
    2,186.10x = 3,011.52 × 1,625.61
  4. Step 4: Simplify right side
    2,186.10x = 4,895,541.97
  5. Step 5: Solve for x
    x = 4,895,541.97/2,186.10
  6. Step 6: Final answer
    x = 2,239.40

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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.