Home / 2,134.90-2,946.27-1,251.01

Finding the Fourth Proportional to 2,134.90, 2,946.27 and 1,251.01

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Solution

The fourth proportional to 2,134.90, 2,946.27 and 1,251.01 is: 1,726.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.90 : 2,946.27 = 1,251.01 : x
  2. Step 2: Convert to fraction form
    2,134.90/2,946.27 = 1,251.01/x
  3. Step 3: Cross multiply
    2,134.90x = 2,946.27 × 1,251.01
  4. Step 4: Simplify right side
    2,134.90x = 3,685,813.23
  5. Step 5: Solve for x
    x = 3,685,813.23/2,134.90
  6. Step 6: Final answer
    x = 1,726.46

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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.