Home / 7,910.52-10,915.56-4,373.79

Finding the Fourth Proportional to 7,910.52, 10,915.56 and 4,373.79

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Solution

The fourth proportional to 7,910.52, 10,915.56 and 4,373.79 is: 6,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.52 : 10,915.56 = 4,373.79 : x
  2. Step 2: Convert to fraction form
    7,910.52/10,915.56 = 4,373.79/x
  3. Step 3: Cross multiply
    7,910.52x = 10,915.56 × 4,373.79
  4. Step 4: Simplify right side
    7,910.52x = 47,742,367.17
  5. Step 5: Solve for x
    x = 47,742,367.17/7,910.52
  6. Step 6: Final answer
    x = 6,035.30

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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.