Home / 1,763.41-2,432.02-1,427.16

Finding the Fourth Proportional to 1,763.41, 2,432.02 and 1,427.16

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Solution

The fourth proportional to 1,763.41, 2,432.02 and 1,427.16 is: 1,968.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.41 : 2,432.02 = 1,427.16 : x
  2. Step 2: Convert to fraction form
    1,763.41/2,432.02 = 1,427.16/x
  3. Step 3: Cross multiply
    1,763.41x = 2,432.02 × 1,427.16
  4. Step 4: Simplify right side
    1,763.41x = 3,470,881.66
  5. Step 5: Solve for x
    x = 3,470,881.66/1,763.41
  6. Step 6: Final answer
    x = 1,968.28

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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.