Home / 5,715.19-7,887.99-3,357.46

Finding the Fourth Proportional to 5,715.19, 7,887.99 and 3,357.46

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Solution

The fourth proportional to 5,715.19, 7,887.99 and 3,357.46 is: 4,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.19 : 7,887.99 = 3,357.46 : x
  2. Step 2: Convert to fraction form
    5,715.19/7,887.99 = 3,357.46/x
  3. Step 3: Cross multiply
    5,715.19x = 7,887.99 × 3,357.46
  4. Step 4: Simplify right side
    5,715.19x = 26,483,610.91
  5. Step 5: Solve for x
    x = 26,483,610.91/5,715.19
  6. Step 6: Final answer
    x = 4,633.90

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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.