Home / 5,263.56-7,264.02-3,138.53

Finding the Fourth Proportional to 5,263.56, 7,264.02 and 3,138.53

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Solution

The fourth proportional to 5,263.56, 7,264.02 and 3,138.53 is: 4,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263.56 : 7,264.02 = 3,138.53 : x
  2. Step 2: Convert to fraction form
    5,263.56/7,264.02 = 3,138.53/x
  3. Step 3: Cross multiply
    5,263.56x = 7,264.02 × 3,138.53
  4. Step 4: Simplify right side
    5,263.56x = 22,798,308.37
  5. Step 5: Solve for x
    x = 22,798,308.37/5,263.56
  6. Step 6: Final answer
    x = 4,331.35

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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.