Home / 5,102.56-7,045.70-4,158.52

Finding the Fourth Proportional to 5,102.56, 7,045.70 and 4,158.52

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Solution

The fourth proportional to 5,102.56, 7,045.70 and 4,158.52 is: 5,742.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.56 : 7,045.70 = 4,158.52 : x
  2. Step 2: Convert to fraction form
    5,102.56/7,045.70 = 4,158.52/x
  3. Step 3: Cross multiply
    5,102.56x = 7,045.70 × 4,158.52
  4. Step 4: Simplify right side
    5,102.56x = 29,299,684.36
  5. Step 5: Solve for x
    x = 29,299,684.36/5,102.56
  6. Step 6: Final answer
    x = 5,742.15

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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.