Home / 7,042.54-9,720.86-4,060.36

Finding the Fourth Proportional to 7,042.54, 9,720.86 and 4,060.36

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Solution

The fourth proportional to 7,042.54, 9,720.86 and 4,060.36 is: 5,604.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.54 : 9,720.86 = 4,060.36 : x
  2. Step 2: Convert to fraction form
    7,042.54/9,720.86 = 4,060.36/x
  3. Step 3: Cross multiply
    7,042.54x = 9,720.86 × 4,060.36
  4. Step 4: Simplify right side
    7,042.54x = 39,470,191.11
  5. Step 5: Solve for x
    x = 39,470,191.11/7,042.54
  6. Step 6: Final answer
    x = 5,604.54

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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.