Home / 7,339.30-11,013.96-2,957.10

Finding the Fourth Proportional to 7,339.30, 11,013.96 and 2,957.10

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Solution

The fourth proportional to 7,339.30, 11,013.96 and 2,957.10 is: 4,437.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.30 : 11,013.96 = 2,957.10 : x
  2. Step 2: Convert to fraction form
    7,339.30/11,013.96 = 2,957.10/x
  3. Step 3: Cross multiply
    7,339.30x = 11,013.96 × 2,957.10
  4. Step 4: Simplify right side
    7,339.30x = 32,569,381.12
  5. Step 5: Solve for x
    x = 32,569,381.12/7,339.30
  6. Step 6: Final answer
    x = 4,437.67

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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.