Home / 7,225.84-9,971.64-4,082.03

Finding the Fourth Proportional to 7,225.84, 9,971.64 and 4,082.03

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Solution

The fourth proportional to 7,225.84, 9,971.64 and 4,082.03 is: 5,633.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.84 : 9,971.64 = 4,082.03 : x
  2. Step 2: Convert to fraction form
    7,225.84/9,971.64 = 4,082.03/x
  3. Step 3: Cross multiply
    7,225.84x = 9,971.64 × 4,082.03
  4. Step 4: Simplify right side
    7,225.84x = 40,704,521.16
  5. Step 5: Solve for x
    x = 40,704,521.16/7,225.84
  6. Step 6: Final answer
    x = 5,633.19

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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.