Home / 2,565.17-3,840.62-1,938.53

Finding the Fourth Proportional to 2,565.17, 3,840.62 and 1,938.53

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Solution

The fourth proportional to 2,565.17, 3,840.62 and 1,938.53 is: 2,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.17 : 3,840.62 = 1,938.53 : x
  2. Step 2: Convert to fraction form
    2,565.17/3,840.62 = 1,938.53/x
  3. Step 3: Cross multiply
    2,565.17x = 3,840.62 × 1,938.53
  4. Step 4: Simplify right side
    2,565.17x = 7,445,157.00
  5. Step 5: Solve for x
    x = 7,445,157.00/2,565.17
  6. Step 6: Final answer
    x = 2,902.40

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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.