Home / 7,042.19-9,707.87-5,360.67

Finding the Fourth Proportional to 7,042.19, 9,707.87 and 5,360.67

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Solution

The fourth proportional to 7,042.19, 9,707.87 and 5,360.67 is: 7,389.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.19 : 9,707.87 = 5,360.67 : x
  2. Step 2: Convert to fraction form
    7,042.19/9,707.87 = 5,360.67/x
  3. Step 3: Cross multiply
    7,042.19x = 9,707.87 × 5,360.67
  4. Step 4: Simplify right side
    7,042.19x = 52,040,660.67
  5. Step 5: Solve for x
    x = 52,040,660.67/7,042.19
  6. Step 6: Final answer
    x = 7,389.85

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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.