Home / 2,551.23-3,520.40-1,502.91

Finding the Fourth Proportional to 2,551.23, 3,520.40 and 1,502.91

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Solution

The fourth proportional to 2,551.23, 3,520.40 and 1,502.91 is: 2,073.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.23 : 3,520.40 = 1,502.91 : x
  2. Step 2: Convert to fraction form
    2,551.23/3,520.40 = 1,502.91/x
  3. Step 3: Cross multiply
    2,551.23x = 3,520.40 × 1,502.91
  4. Step 4: Simplify right side
    2,551.23x = 5,290,836.85
  5. Step 5: Solve for x
    x = 5,290,836.85/2,551.23
  6. Step 6: Final answer
    x = 2,073.84

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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.