Home / 5,005.46-6,909.55-3,017.72

Finding the Fourth Proportional to 5,005.46, 6,909.55 and 3,017.72

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Solution

The fourth proportional to 5,005.46, 6,909.55 and 3,017.72 is: 4,165.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.46 : 6,909.55 = 3,017.72 : x
  2. Step 2: Convert to fraction form
    5,005.46/6,909.55 = 3,017.72/x
  3. Step 3: Cross multiply
    5,005.46x = 6,909.55 × 3,017.72
  4. Step 4: Simplify right side
    5,005.46x = 20,851,087.23
  5. Step 5: Solve for x
    x = 20,851,087.23/5,005.46
  6. Step 6: Final answer
    x = 4,165.67

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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.