Home / 2,576.25-3,555.23-1,528.52

Finding the Fourth Proportional to 2,576.25, 3,555.23 and 1,528.52

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Solution

The fourth proportional to 2,576.25, 3,555.23 and 1,528.52 is: 2,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.25 : 3,555.23 = 1,528.52 : x
  2. Step 2: Convert to fraction form
    2,576.25/3,555.23 = 1,528.52/x
  3. Step 3: Cross multiply
    2,576.25x = 3,555.23 × 1,528.52
  4. Step 4: Simplify right side
    2,576.25x = 5,434,214.74
  5. Step 5: Solve for x
    x = 5,434,214.74/2,576.25
  6. Step 6: Final answer
    x = 2,109.35

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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.