Home / 7,542.28-10,413.74-5,030.31

Finding the Fourth Proportional to 7,542.28, 10,413.74 and 5,030.31

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Solution

The fourth proportional to 7,542.28, 10,413.74 and 5,030.31 is: 6,945.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.28 : 10,413.74 = 5,030.31 : x
  2. Step 2: Convert to fraction form
    7,542.28/10,413.74 = 5,030.31/x
  3. Step 3: Cross multiply
    7,542.28x = 10,413.74 × 5,030.31
  4. Step 4: Simplify right side
    7,542.28x = 52,384,340.46
  5. Step 5: Solve for x
    x = 52,384,340.46/7,542.28
  6. Step 6: Final answer
    x = 6,945.43

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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.