Home / 5,347.47-7,379.35-2,957.64

Finding the Fourth Proportional to 5,347.47, 7,379.35 and 2,957.64

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Solution

The fourth proportional to 5,347.47, 7,379.35 and 2,957.64 is: 4,081.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.47 : 7,379.35 = 2,957.64 : x
  2. Step 2: Convert to fraction form
    5,347.47/7,379.35 = 2,957.64/x
  3. Step 3: Cross multiply
    5,347.47x = 7,379.35 × 2,957.64
  4. Step 4: Simplify right side
    5,347.47x = 21,825,460.73
  5. Step 5: Solve for x
    x = 21,825,460.73/5,347.47
  6. Step 6: Final answer
    x = 4,081.46

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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.