Home / 1,592.40-2,194.92-1,242.48

Finding the Fourth Proportional to 1,592.40, 2,194.92 and 1,242.48

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Solution

The fourth proportional to 1,592.40, 2,194.92 and 1,242.48 is: 1,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592.40 : 2,194.92 = 1,242.48 : x
  2. Step 2: Convert to fraction form
    1,592.40/2,194.92 = 1,242.48/x
  3. Step 3: Cross multiply
    1,592.40x = 2,194.92 × 1,242.48
  4. Step 4: Simplify right side
    1,592.40x = 2,727,144.20
  5. Step 5: Solve for x
    x = 2,727,144.20/1,592.40
  6. Step 6: Final answer
    x = 1,712.60

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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.