Home / 5,337.81-7,365.54-3,100.38

Finding the Fourth Proportional to 5,337.81, 7,365.54 and 3,100.38

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Solution

The fourth proportional to 5,337.81, 7,365.54 and 3,100.38 is: 4,278.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,337.81 : 7,365.54 = 3,100.38 : x
  2. Step 2: Convert to fraction form
    5,337.81/7,365.54 = 3,100.38/x
  3. Step 3: Cross multiply
    5,337.81x = 7,365.54 × 3,100.38
  4. Step 4: Simplify right side
    5,337.81x = 22,835,972.91
  5. Step 5: Solve for x
    x = 22,835,972.91/5,337.81
  6. Step 6: Final answer
    x = 4,278.15

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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.