Home / 7,133.48-10,699.74-2,515.88

Finding the Fourth Proportional to 7,133.48, 10,699.74 and 2,515.88

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Solution

The fourth proportional to 7,133.48, 10,699.74 and 2,515.88 is: 3,773.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,133.48 : 10,699.74 = 2,515.88 : x
  2. Step 2: Convert to fraction form
    7,133.48/10,699.74 = 2,515.88/x
  3. Step 3: Cross multiply
    7,133.48x = 10,699.74 × 2,515.88
  4. Step 4: Simplify right side
    7,133.48x = 26,919,261.87
  5. Step 5: Solve for x
    x = 26,919,261.87/7,133.48
  6. Step 6: Final answer
    x = 3,773.65

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1.5x scale

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.