Home / 5,715.24-7,887.54-3,476.58

Finding the Fourth Proportional to 5,715.24, 7,887.54 and 3,476.58

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Solution

The fourth proportional to 5,715.24, 7,887.54 and 3,476.58 is: 4,797.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.24 : 7,887.54 = 3,476.58 : x
  2. Step 2: Convert to fraction form
    5,715.24/7,887.54 = 3,476.58/x
  3. Step 3: Cross multiply
    5,715.24x = 7,887.54 × 3,476.58
  4. Step 4: Simplify right side
    5,715.24x = 27,421,663.81
  5. Step 5: Solve for x
    x = 27,421,663.81/5,715.24
  6. Step 6: Final answer
    x = 4,797.99

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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.