Home / 3,419.52-4,718.57-1,927.66

Finding the Fourth Proportional to 3,419.52, 4,718.57 and 1,927.66

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Solution

The fourth proportional to 3,419.52, 4,718.57 and 1,927.66 is: 2,659.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.52 : 4,718.57 = 1,927.66 : x
  2. Step 2: Convert to fraction form
    3,419.52/4,718.57 = 1,927.66/x
  3. Step 3: Cross multiply
    3,419.52x = 4,718.57 × 1,927.66
  4. Step 4: Simplify right side
    3,419.52x = 9,095,803.47
  5. Step 5: Solve for x
    x = 9,095,803.47/3,419.52
  6. Step 6: Final answer
    x = 2,659.97

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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.