Home / 2,136.11-2,945.31-1,506.74

Finding the Fourth Proportional to 2,136.11, 2,945.31 and 1,506.74

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Solution

The fourth proportional to 2,136.11, 2,945.31 and 1,506.74 is: 2,077.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.11 : 2,945.31 = 1,506.74 : x
  2. Step 2: Convert to fraction form
    2,136.11/2,945.31 = 1,506.74/x
  3. Step 3: Cross multiply
    2,136.11x = 2,945.31 × 1,506.74
  4. Step 4: Simplify right side
    2,136.11x = 4,437,816.39
  5. Step 5: Solve for x
    x = 4,437,816.39/2,136.11
  6. Step 6: Final answer
    x = 2,077.52

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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.