Home / 2,864.52-3,953.34-1,685.57

Finding the Fourth Proportional to 2,864.52, 3,953.34 and 1,685.57

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Solution

The fourth proportional to 2,864.52, 3,953.34 and 1,685.57 is: 2,326.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.52 : 3,953.34 = 1,685.57 : x
  2. Step 2: Convert to fraction form
    2,864.52/3,953.34 = 1,685.57/x
  3. Step 3: Cross multiply
    2,864.52x = 3,953.34 × 1,685.57
  4. Step 4: Simplify right side
    2,864.52x = 6,663,611.54
  5. Step 5: Solve for x
    x = 6,663,611.54/2,864.52
  6. Step 6: Final answer
    x = 2,326.26

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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.