Home / 6,931.61-10,391.20-2,546.00

Finding the Fourth Proportional to 6,931.61, 10,391.20 and 2,546.00

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Solution

The fourth proportional to 6,931.61, 10,391.20 and 2,546.00 is: 3,816.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.61 : 10,391.20 = 2,546.00 : x
  2. Step 2: Convert to fraction form
    6,931.61/10,391.20 = 2,546.00/x
  3. Step 3: Cross multiply
    6,931.61x = 10,391.20 × 2,546.00
  4. Step 4: Simplify right side
    6,931.61x = 26,455,990.17
  5. Step 5: Solve for x
    x = 26,455,990.17/6,931.61
  6. Step 6: Final answer
    x = 3,816.72

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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.