Home / 7,523.99-10,372.29-5,278.91

Finding the Fourth Proportional to 7,523.99, 10,372.29 and 5,278.91

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Solution

The fourth proportional to 7,523.99, 10,372.29 and 5,278.91 is: 7,277.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,523.99 : 10,372.29 = 5,278.91 : x
  2. Step 2: Convert to fraction form
    7,523.99/10,372.29 = 5,278.91/x
  3. Step 3: Cross multiply
    7,523.99x = 10,372.29 × 5,278.91
  4. Step 4: Simplify right side
    7,523.99x = 54,754,313.75
  5. Step 5: Solve for x
    x = 54,754,313.75/7,523.99
  6. Step 6: Final answer
    x = 7,277.30

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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.