Home / 7,571.74-10,445.72-4,339.84

Finding the Fourth Proportional to 7,571.74, 10,445.72 and 4,339.84

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Solution

The fourth proportional to 7,571.74, 10,445.72 and 4,339.84 is: 5,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571.74 : 10,445.72 = 4,339.84 : x
  2. Step 2: Convert to fraction form
    7,571.74/10,445.72 = 4,339.84/x
  3. Step 3: Cross multiply
    7,571.74x = 10,445.72 × 4,339.84
  4. Step 4: Simplify right side
    7,571.74x = 45,332,753.48
  5. Step 5: Solve for x
    x = 45,332,753.48/7,571.74
  6. Step 6: Final answer
    x = 5,987.10

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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.