Home / 5,487.23-7,566.37-3,715.76

Finding the Fourth Proportional to 5,487.23, 7,566.37 and 3,715.76

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Solution

The fourth proportional to 5,487.23, 7,566.37 and 3,715.76 is: 5,123.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.23 : 7,566.37 = 3,715.76 : x
  2. Step 2: Convert to fraction form
    5,487.23/7,566.37 = 3,715.76/x
  3. Step 3: Cross multiply
    5,487.23x = 7,566.37 × 3,715.76
  4. Step 4: Simplify right side
    5,487.23x = 28,114,814.99
  5. Step 5: Solve for x
    x = 28,114,814.99/5,487.23
  6. Step 6: Final answer
    x = 5,123.68

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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.