Home / 5,347.80-7,379.91-2,957.94

Finding the Fourth Proportional to 5,347.80, 7,379.91 and 2,957.94

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Solution

The fourth proportional to 5,347.80, 7,379.91 and 2,957.94 is: 4,081.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.80 : 7,379.91 = 2,957.94 : x
  2. Step 2: Convert to fraction form
    5,347.80/7,379.91 = 2,957.94/x
  3. Step 3: Cross multiply
    5,347.80x = 7,379.91 × 2,957.94
  4. Step 4: Simplify right side
    5,347.80x = 21,829,330.99
  5. Step 5: Solve for x
    x = 21,829,330.99/5,347.80
  6. Step 6: Final answer
    x = 4,081.93

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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.