Home / 5,362.53-7,400.31-3,125.94

Finding the Fourth Proportional to 5,362.53, 7,400.31 and 3,125.94

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Solution

The fourth proportional to 5,362.53, 7,400.31 and 3,125.94 is: 4,313.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362.53 : 7,400.31 = 3,125.94 : x
  2. Step 2: Convert to fraction form
    5,362.53/7,400.31 = 3,125.94/x
  3. Step 3: Cross multiply
    5,362.53x = 7,400.31 × 3,125.94
  4. Step 4: Simplify right side
    5,362.53x = 23,132,925.04
  5. Step 5: Solve for x
    x = 23,132,925.04/5,362.53
  6. Step 6: Final answer
    x = 4,313.81

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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.