Home / 7,420.41-11,130.62-3,034.87

Finding the Fourth Proportional to 7,420.41, 11,130.62 and 3,034.87

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Solution

The fourth proportional to 7,420.41, 11,130.62 and 3,034.87 is: 4,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.41 : 11,130.62 = 3,034.87 : x
  2. Step 2: Convert to fraction form
    7,420.41/11,130.62 = 3,034.87/x
  3. Step 3: Cross multiply
    7,420.41x = 11,130.62 × 3,034.87
  4. Step 4: Simplify right side
    7,420.41x = 33,779,941.72
  5. Step 5: Solve for x
    x = 33,779,941.72/7,420.41
  6. Step 6: Final answer
    x = 4,552.30

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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.