Home / 7,229.46-9,973.89-5,345.58

Finding the Fourth Proportional to 7,229.46, 9,973.89 and 5,345.58

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Solution

The fourth proportional to 7,229.46, 9,973.89 and 5,345.58 is: 7,374.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229.46 : 9,973.89 = 5,345.58 : x
  2. Step 2: Convert to fraction form
    7,229.46/9,973.89 = 5,345.58/x
  3. Step 3: Cross multiply
    7,229.46x = 9,973.89 × 5,345.58
  4. Step 4: Simplify right side
    7,229.46x = 53,316,226.91
  5. Step 5: Solve for x
    x = 53,316,226.91/7,229.46
  6. Step 6: Final answer
    x = 7,374.86

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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.