Home / 9,720.34-14,579.28-2,700.88

Finding the Fourth Proportional to 9,720.34, 14,579.28 and 2,700.88

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Solution

The fourth proportional to 9,720.34, 14,579.28 and 2,700.88 is: 4,050.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720.34 : 14,579.28 = 2,700.88 : x
  2. Step 2: Convert to fraction form
    9,720.34/14,579.28 = 2,700.88/x
  3. Step 3: Cross multiply
    9,720.34x = 14,579.28 × 2,700.88
  4. Step 4: Simplify right side
    9,720.34x = 39,376,885.77
  5. Step 5: Solve for x
    x = 39,376,885.77/9,720.34
  6. Step 6: Final answer
    x = 4,050.98

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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.