Home / 7,541.75-10,407.78-4,184.43

Finding the Fourth Proportional to 7,541.75, 10,407.78 and 4,184.43

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Solution

The fourth proportional to 7,541.75, 10,407.78 and 4,184.43 is: 5,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.75 : 10,407.78 = 4,184.43 : x
  2. Step 2: Convert to fraction form
    7,541.75/10,407.78 = 4,184.43/x
  3. Step 3: Cross multiply
    7,541.75x = 10,407.78 × 4,184.43
  4. Step 4: Simplify right side
    7,541.75x = 43,550,626.87
  5. Step 5: Solve for x
    x = 43,550,626.87/7,541.75
  6. Step 6: Final answer
    x = 5,774.60

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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.