Home / 7,910.16-10,915.92-4,373.60

Finding the Fourth Proportional to 7,910.16, 10,915.92 and 4,373.60

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Solution

The fourth proportional to 7,910.16, 10,915.92 and 4,373.60 is: 6,035.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.16 : 10,915.92 = 4,373.60 : x
  2. Step 2: Convert to fraction form
    7,910.16/10,915.92 = 4,373.60/x
  3. Step 3: Cross multiply
    7,910.16x = 10,915.92 × 4,373.60
  4. Step 4: Simplify right side
    7,910.16x = 47,741,867.71
  5. Step 5: Solve for x
    x = 47,741,867.71/7,910.16
  6. Step 6: Final answer
    x = 6,035.51

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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.