Home / 5,607.16-8,418.18-4,790.68

Finding the Fourth Proportional to 5,607.16, 8,418.18 and 4,790.68

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Solution

The fourth proportional to 5,607.16, 8,418.18 and 4,790.68 is: 7,192.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.16 : 8,418.18 = 4,790.68 : x
  2. Step 2: Convert to fraction form
    5,607.16/8,418.18 = 4,790.68/x
  3. Step 3: Cross multiply
    5,607.16x = 8,418.18 × 4,790.68
  4. Step 4: Simplify right side
    5,607.16x = 40,328,806.56
  5. Step 5: Solve for x
    x = 40,328,806.56/5,607.16
  6. Step 6: Final answer
    x = 7,192.38

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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.