Home / 7,903.67-11,854.35-2,356.79

Finding the Fourth Proportional to 7,903.67, 11,854.35 and 2,356.79

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Solution

The fourth proportional to 7,903.67, 11,854.35 and 2,356.79 is: 3,534.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.67 : 11,854.35 = 2,356.79 : x
  2. Step 2: Convert to fraction form
    7,903.67/11,854.35 = 2,356.79/x
  3. Step 3: Cross multiply
    7,903.67x = 11,854.35 × 2,356.79
  4. Step 4: Simplify right side
    7,903.67x = 27,938,154.26
  5. Step 5: Solve for x
    x = 27,938,154.26/7,903.67
  6. Step 6: Final answer
    x = 3,534.84

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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.