Home / 2,136.48-2,947.20-1,473.66

Finding the Fourth Proportional to 2,136.48, 2,947.20 and 1,473.66

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Solution

The fourth proportional to 2,136.48, 2,947.20 and 1,473.66 is: 2,032.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.48 : 2,947.20 = 1,473.66 : x
  2. Step 2: Convert to fraction form
    2,136.48/2,947.20 = 1,473.66/x
  3. Step 3: Cross multiply
    2,136.48x = 2,947.20 × 1,473.66
  4. Step 4: Simplify right side
    2,136.48x = 4,343,170.75
  5. Step 5: Solve for x
    x = 4,343,170.75/2,136.48
  6. Step 6: Final answer
    x = 2,032.86

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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.