Home / 3,419.28-4,718.57-1,927.35

Finding the Fourth Proportional to 3,419.28, 4,718.57 and 1,927.35

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Solution

The fourth proportional to 3,419.28, 4,718.57 and 1,927.35 is: 2,659.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.28 : 4,718.57 = 1,927.35 : x
  2. Step 2: Convert to fraction form
    3,419.28/4,718.57 = 1,927.35/x
  3. Step 3: Cross multiply
    3,419.28x = 4,718.57 × 1,927.35
  4. Step 4: Simplify right side
    3,419.28x = 9,094,326.25
  5. Step 5: Solve for x
    x = 9,094,326.25/3,419.28
  6. Step 6: Final answer
    x = 2,659.72

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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.