Home / 7,358.32-11,037.88-2,428.40

Finding the Fourth Proportional to 7,358.32, 11,037.88 and 2,428.40

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Solution

The fourth proportional to 7,358.32, 11,037.88 and 2,428.40 is: 3,642.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.32 : 11,037.88 = 2,428.40 : x
  2. Step 2: Convert to fraction form
    7,358.32/11,037.88 = 2,428.40/x
  3. Step 3: Cross multiply
    7,358.32x = 11,037.88 × 2,428.40
  4. Step 4: Simplify right side
    7,358.32x = 26,804,387.79
  5. Step 5: Solve for x
    x = 26,804,387.79/7,358.32
  6. Step 6: Final answer
    x = 3,642.73

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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.