Home / 2,426.52-3,348.36-1,378.38

Finding the Fourth Proportional to 2,426.52, 3,348.36 and 1,378.38

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Solution

The fourth proportional to 2,426.52, 3,348.36 and 1,378.38 is: 1,902.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.52 : 3,348.36 = 1,378.38 : x
  2. Step 2: Convert to fraction form
    2,426.52/3,348.36 = 1,378.38/x
  3. Step 3: Cross multiply
    2,426.52x = 3,348.36 × 1,378.38
  4. Step 4: Simplify right side
    2,426.52x = 4,615,312.46
  5. Step 5: Solve for x
    x = 4,615,312.46/2,426.52
  6. Step 6: Final answer
    x = 1,902.03

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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.