Home / 5,318.23-7,335.89-3,429.11

Finding the Fourth Proportional to 5,318.23, 7,335.89 and 3,429.11

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Solution

The fourth proportional to 5,318.23, 7,335.89 and 3,429.11 is: 4,730.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.23 : 7,335.89 = 3,429.11 : x
  2. Step 2: Convert to fraction form
    5,318.23/7,335.89 = 3,429.11/x
  3. Step 3: Cross multiply
    5,318.23x = 7,335.89 × 3,429.11
  4. Step 4: Simplify right side
    5,318.23x = 25,155,573.76
  5. Step 5: Solve for x
    x = 25,155,573.76/5,318.23
  6. Step 6: Final answer
    x = 4,730.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.