Home / 3,507.10-5,256.94-1,531.00

Finding the Fourth Proportional to 3,507.10, 5,256.94 and 1,531.00

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Solution

The fourth proportional to 3,507.10, 5,256.94 and 1,531.00 is: 2,294.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.10 : 5,256.94 = 1,531.00 : x
  2. Step 2: Convert to fraction form
    3,507.10/5,256.94 = 1,531.00/x
  3. Step 3: Cross multiply
    3,507.10x = 5,256.94 × 1,531.00
  4. Step 4: Simplify right side
    3,507.10x = 8,048,348.86
  5. Step 5: Solve for x
    x = 8,048,348.86/3,507.10
  6. Step 6: Final answer
    x = 2,294.87

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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.