Home / 7,904.59-10,908.54-4,319.70

Finding the Fourth Proportional to 7,904.59, 10,908.54 and 4,319.70

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Solution

The fourth proportional to 7,904.59, 10,908.54 and 4,319.70 is: 5,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.59 : 10,908.54 = 4,319.70 : x
  2. Step 2: Convert to fraction form
    7,904.59/10,908.54 = 4,319.70/x
  3. Step 3: Cross multiply
    7,904.59x = 10,908.54 × 4,319.70
  4. Step 4: Simplify right side
    7,904.59x = 47,121,620.24
  5. Step 5: Solve for x
    x = 47,121,620.24/7,904.59
  6. Step 6: Final answer
    x = 5,961.30

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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.