Home / 7,300.18-10,074-4,155.76

Finding the Fourth Proportional to 7,300.18, 10,074 and 4,155.76

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Solution

The fourth proportional to 7,300.18, 10,074 and 4,155.76 is: 5,734.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,300.18 : 10,074 = 4,155.76 : x
  2. Step 2: Convert to fraction form
    7,300.18/10,074 = 4,155.76/x
  3. Step 3: Cross multiply
    7,300.18x = 10,074 × 4,155.76
  4. Step 4: Simplify right side
    7,300.18x = 41,865,126.24
  5. Step 5: Solve for x
    x = 41,865,126.24/7,300.18
  6. Step 6: Final answer
    x = 5,734.81

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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.