Home / 7,210.26-9,950.62-4,225.01

Finding the Fourth Proportional to 7,210.26, 9,950.62 and 4,225.01

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Solution

The fourth proportional to 7,210.26, 9,950.62 and 4,225.01 is: 5,830.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.26 : 9,950.62 = 4,225.01 : x
  2. Step 2: Convert to fraction form
    7,210.26/9,950.62 = 4,225.01/x
  3. Step 3: Cross multiply
    7,210.26x = 9,950.62 × 4,225.01
  4. Step 4: Simplify right side
    7,210.26x = 42,041,419.25
  5. Step 5: Solve for x
    x = 42,041,419.25/7,210.26
  6. Step 6: Final answer
    x = 5,830.78

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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.