Home / 7,827.17-11,737.98-2,279.00

Finding the Fourth Proportional to 7,827.17, 11,737.98 and 2,279.00

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Solution

The fourth proportional to 7,827.17, 11,737.98 and 2,279.00 is: 3,417.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.17 : 11,737.98 = 2,279.00 : x
  2. Step 2: Convert to fraction form
    7,827.17/11,737.98 = 2,279.00/x
  3. Step 3: Cross multiply
    7,827.17x = 11,737.98 × 2,279.00
  4. Step 4: Simplify right side
    7,827.17x = 26,750,885.76
  5. Step 5: Solve for x
    x = 26,750,885.76/7,827.17
  6. Step 6: Final answer
    x = 3,417.70

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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.