Home / 7,210.75-9,950.46-4,023.47

Finding the Fourth Proportional to 7,210.75, 9,950.46 and 4,023.47

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Solution

The fourth proportional to 7,210.75, 9,950.46 and 4,023.47 is: 5,552.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.75 : 9,950.46 = 4,023.47 : x
  2. Step 2: Convert to fraction form
    7,210.75/9,950.46 = 4,023.47/x
  3. Step 3: Cross multiply
    7,210.75x = 9,950.46 × 4,023.47
  4. Step 4: Simplify right side
    7,210.75x = 40,035,377.30
  5. Step 5: Solve for x
    x = 40,035,377.30/7,210.75
  6. Step 6: Final answer
    x = 5,552.18

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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.