Home / 7,031.45-9,701.79-4,199.74

Finding the Fourth Proportional to 7,031.45, 9,701.79 and 4,199.74

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Solution

The fourth proportional to 7,031.45, 9,701.79 and 4,199.74 is: 5,794.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.45 : 9,701.79 = 4,199.74 : x
  2. Step 2: Convert to fraction form
    7,031.45/9,701.79 = 4,199.74/x
  3. Step 3: Cross multiply
    7,031.45x = 9,701.79 × 4,199.74
  4. Step 4: Simplify right side
    7,031.45x = 40,744,955.53
  5. Step 5: Solve for x
    x = 40,744,955.53/7,031.45
  6. Step 6: Final answer
    x = 5,794.67

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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.