Home / 1,586.41-2,184.27-1,440.61

Finding the Fourth Proportional to 1,586.41, 2,184.27 and 1,440.61

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Solution

The fourth proportional to 1,586.41, 2,184.27 and 1,440.61 is: 1,983.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586.41 : 2,184.27 = 1,440.61 : x
  2. Step 2: Convert to fraction form
    1,586.41/2,184.27 = 1,440.61/x
  3. Step 3: Cross multiply
    1,586.41x = 2,184.27 × 1,440.61
  4. Step 4: Simplify right side
    1,586.41x = 3,146,681.20
  5. Step 5: Solve for x
    x = 3,146,681.20/1,586.41
  6. Step 6: Final answer
    x = 1,983.52

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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.