Home / 2,136.16-2,947.68-1,576.94

Finding the Fourth Proportional to 2,136.16, 2,947.68 and 1,576.94

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Solution

The fourth proportional to 2,136.16, 2,947.68 and 1,576.94 is: 2,176.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.16 : 2,947.68 = 1,576.94 : x
  2. Step 2: Convert to fraction form
    2,136.16/2,947.68 = 1,576.94/x
  3. Step 3: Cross multiply
    2,136.16x = 2,947.68 × 1,576.94
  4. Step 4: Simplify right side
    2,136.16x = 4,648,314.50
  5. Step 5: Solve for x
    x = 4,648,314.50/2,136.16
  6. Step 6: Final answer
    x = 2,176.01

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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.