Home / 1,582.81-2,370.53-1,251.53

Finding the Fourth Proportional to 1,582.81, 2,370.53 and 1,251.53

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Solution

The fourth proportional to 1,582.81, 2,370.53 and 1,251.53 is: 1,874.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582.81 : 2,370.53 = 1,251.53 : x
  2. Step 2: Convert to fraction form
    1,582.81/2,370.53 = 1,251.53/x
  3. Step 3: Cross multiply
    1,582.81x = 2,370.53 × 1,251.53
  4. Step 4: Simplify right side
    1,582.81x = 2,966,789.41
  5. Step 5: Solve for x
    x = 2,966,789.41/1,582.81
  6. Step 6: Final answer
    x = 1,874.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.