Home / 7,050.34-9,728.71-4,065.69

Finding the Fourth Proportional to 7,050.34, 9,728.71 and 4,065.69

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Solution

The fourth proportional to 7,050.34, 9,728.71 and 4,065.69 is: 5,610.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,050.34 : 9,728.71 = 4,065.69 : x
  2. Step 2: Convert to fraction form
    7,050.34/9,728.71 = 4,065.69/x
  3. Step 3: Cross multiply
    7,050.34x = 9,728.71 × 4,065.69
  4. Step 4: Simplify right side
    7,050.34x = 39,553,945.28
  5. Step 5: Solve for x
    x = 39,553,945.28/7,050.34
  6. Step 6: Final answer
    x = 5,610.22

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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.