Home / 7,048.17-10,572.20-2,117.79

Finding the Fourth Proportional to 7,048.17, 10,572.20 and 2,117.79

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Solution

The fourth proportional to 7,048.17, 10,572.20 and 2,117.79 is: 3,176.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.17 : 10,572.20 = 2,117.79 : x
  2. Step 2: Convert to fraction form
    7,048.17/10,572.20 = 2,117.79/x
  3. Step 3: Cross multiply
    7,048.17x = 10,572.20 × 2,117.79
  4. Step 4: Simplify right side
    7,048.17x = 22,389,688.85
  5. Step 5: Solve for x
    x = 22,389,688.85/7,048.17
  6. Step 6: Final answer
    x = 3,176.67

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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.