Home / 5,635.99-8,438.86-4,591.72

Finding the Fourth Proportional to 5,635.99, 8,438.86 and 4,591.72

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Solution

The fourth proportional to 5,635.99, 8,438.86 and 4,591.72 is: 6,875.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.99 : 8,438.86 = 4,591.72 : x
  2. Step 2: Convert to fraction form
    5,635.99/8,438.86 = 4,591.72/x
  3. Step 3: Cross multiply
    5,635.99x = 8,438.86 × 4,591.72
  4. Step 4: Simplify right side
    5,635.99x = 38,748,882.24
  5. Step 5: Solve for x
    x = 38,748,882.24/5,635.99
  6. Step 6: Final answer
    x = 6,875.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.