Home / 7,313.48-10,091.70-4,659.80

Finding the Fourth Proportional to 7,313.48, 10,091.70 and 4,659.80

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Solution

The fourth proportional to 7,313.48, 10,091.70 and 4,659.80 is: 6,429.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,313.48 : 10,091.70 = 4,659.80 : x
  2. Step 2: Convert to fraction form
    7,313.48/10,091.70 = 4,659.80/x
  3. Step 3: Cross multiply
    7,313.48x = 10,091.70 × 4,659.80
  4. Step 4: Simplify right side
    7,313.48x = 47,025,303.66
  5. Step 5: Solve for x
    x = 47,025,303.66/7,313.48
  6. Step 6: Final answer
    x = 6,429.95

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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.