Home / 7,718.34-11,574.77-3,333.40

Finding the Fourth Proportional to 7,718.34, 11,574.77 and 3,333.40

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Solution

The fourth proportional to 7,718.34, 11,574.77 and 3,333.40 is: 4,998.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.34 : 11,574.77 = 3,333.40 : x
  2. Step 2: Convert to fraction form
    7,718.34/11,574.77 = 3,333.40/x
  3. Step 3: Cross multiply
    7,718.34x = 11,574.77 × 3,333.40
  4. Step 4: Simplify right side
    7,718.34x = 38,583,357.82
  5. Step 5: Solve for x
    x = 38,583,357.82/7,718.34
  6. Step 6: Final answer
    x = 4,998.92

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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.