Home / 7,132.76-10,690.23-3,434.01

Finding the Fourth Proportional to 7,132.76, 10,690.23 and 3,434.01

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Solution

The fourth proportional to 7,132.76, 10,690.23 and 3,434.01 is: 5,146.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.76 : 10,690.23 = 3,434.01 : x
  2. Step 2: Convert to fraction form
    7,132.76/10,690.23 = 3,434.01/x
  3. Step 3: Cross multiply
    7,132.76x = 10,690.23 × 3,434.01
  4. Step 4: Simplify right side
    7,132.76x = 36,710,356.72
  5. Step 5: Solve for x
    x = 36,710,356.72/7,132.76
  6. Step 6: Final answer
    x = 5,146.73

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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.