Home / 6,875.16-10,308.24-2,715.72

Finding the Fourth Proportional to 6,875.16, 10,308.24 and 2,715.72

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Solution

The fourth proportional to 6,875.16, 10,308.24 and 2,715.72 is: 4,071.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.16 : 10,308.24 = 2,715.72 : x
  2. Step 2: Convert to fraction form
    6,875.16/10,308.24 = 2,715.72/x
  3. Step 3: Cross multiply
    6,875.16x = 10,308.24 × 2,715.72
  4. Step 4: Simplify right side
    6,875.16x = 27,994,293.53
  5. Step 5: Solve for x
    x = 27,994,293.53/6,875.16
  6. Step 6: Final answer
    x = 4,071.80

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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.