Home / 5,307.27-7,960.91-1,411.67

Finding the Fourth Proportional to 5,307.27, 7,960.91 and 1,411.67

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Solution

The fourth proportional to 5,307.27, 7,960.91 and 1,411.67 is: 2,117.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.27 : 7,960.91 = 1,411.67 : x
  2. Step 2: Convert to fraction form
    5,307.27/7,960.91 = 1,411.67/x
  3. Step 3: Cross multiply
    5,307.27x = 7,960.91 × 1,411.67
  4. Step 4: Simplify right side
    5,307.27x = 11,238,211.20
  5. Step 5: Solve for x
    x = 11,238,211.20/5,307.27
  6. Step 6: Final answer
    x = 2,117.51

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Similar ratio
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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.