Home / 5,625.85-8,438.86-5,283.38

Finding the Fourth Proportional to 5,625.85, 8,438.86 and 5,283.38

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Solution

The fourth proportional to 5,625.85, 8,438.86 and 5,283.38 is: 7,925.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.85 : 8,438.86 = 5,283.38 : x
  2. Step 2: Convert to fraction form
    5,625.85/8,438.86 = 5,283.38/x
  3. Step 3: Cross multiply
    5,625.85x = 8,438.86 × 5,283.38
  4. Step 4: Simplify right side
    5,625.85x = 44,585,635.54
  5. Step 5: Solve for x
    x = 44,585,635.54/5,625.85
  6. Step 6: Final answer
    x = 7,925.13

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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.