Home / 7,958.10-10,984.56-4,603.28

Finding the Fourth Proportional to 7,958.10, 10,984.56 and 4,603.28

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Solution

The fourth proportional to 7,958.10, 10,984.56 and 4,603.28 is: 6,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.10 : 10,984.56 = 4,603.28 : x
  2. Step 2: Convert to fraction form
    7,958.10/10,984.56 = 4,603.28/x
  3. Step 3: Cross multiply
    7,958.10x = 10,984.56 × 4,603.28
  4. Step 4: Simplify right side
    7,958.10x = 50,565,005.36
  5. Step 5: Solve for x
    x = 50,565,005.36/7,958.10
  6. Step 6: Final answer
    x = 6,353.90

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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.