Home / 2,148.24-2,962.76-1,361.04

Finding the Fourth Proportional to 2,148.24, 2,962.76 and 1,361.04

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Solution

The fourth proportional to 2,148.24, 2,962.76 and 1,361.04 is: 1,877.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.24 : 2,962.76 = 1,361.04 : x
  2. Step 2: Convert to fraction form
    2,148.24/2,962.76 = 1,361.04/x
  3. Step 3: Cross multiply
    2,148.24x = 2,962.76 × 1,361.04
  4. Step 4: Simplify right side
    2,148.24x = 4,032,434.87
  5. Step 5: Solve for x
    x = 4,032,434.87/2,148.24
  6. Step 6: Final answer
    x = 1,877.09

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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.