Home / 7,291.18-10,938.12-2,360.72

Finding the Fourth Proportional to 7,291.18, 10,938.12 and 2,360.72

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Solution

The fourth proportional to 7,291.18, 10,938.12 and 2,360.72 is: 3,541.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291.18 : 10,938.12 = 2,360.72 : x
  2. Step 2: Convert to fraction form
    7,291.18/10,938.12 = 2,360.72/x
  3. Step 3: Cross multiply
    7,291.18x = 10,938.12 × 2,360.72
  4. Step 4: Simplify right side
    7,291.18x = 25,821,838.65
  5. Step 5: Solve for x
    x = 25,821,838.65/7,291.18
  6. Step 6: Final answer
    x = 3,541.52

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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.