Home / 5,362.86-7,400.40-3,004.72

Finding the Fourth Proportional to 5,362.86, 7,400.40 and 3,004.72

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Solution

The fourth proportional to 5,362.86, 7,400.40 and 3,004.72 is: 4,146.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362.86 : 7,400.40 = 3,004.72 : x
  2. Step 2: Convert to fraction form
    5,362.86/7,400.40 = 3,004.72/x
  3. Step 3: Cross multiply
    5,362.86x = 7,400.40 × 3,004.72
  4. Step 4: Simplify right side
    5,362.86x = 22,236,129.89
  5. Step 5: Solve for x
    x = 22,236,129.89/5,362.86
  6. Step 6: Final answer
    x = 4,146.32

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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.