Home / 1,512.06-2,086.39-951.55

Finding the Fourth Proportional to 1,512.06, 2,086.39 and 951.55

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Solution

The fourth proportional to 1,512.06, 2,086.39 and 951.55 is: 1,312.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.06 : 2,086.39 = 951.55 : x
  2. Step 2: Convert to fraction form
    1,512.06/2,086.39 = 951.55/x
  3. Step 3: Cross multiply
    1,512.06x = 2,086.39 × 951.55
  4. Step 4: Simplify right side
    1,512.06x = 1,985,304.40
  5. Step 5: Solve for x
    x = 1,985,304.40/1,512.06
  6. Step 6: Final answer
    x = 1,312.98

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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.