Home / 5,085.10-7,049.90-4,904.67

Finding the Fourth Proportional to 5,085.10, 7,049.90 and 4,904.67

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Solution

The fourth proportional to 5,085.10, 7,049.90 and 4,904.67 is: 6,799.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.10 : 7,049.90 = 4,904.67 : x
  2. Step 2: Convert to fraction form
    5,085.10/7,049.90 = 4,904.67/x
  3. Step 3: Cross multiply
    5,085.10x = 7,049.90 × 4,904.67
  4. Step 4: Simplify right side
    5,085.10x = 34,577,433.03
  5. Step 5: Solve for x
    x = 34,577,433.03/5,085.10
  6. Step 6: Final answer
    x = 6,799.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.