Home / 4,605.48-6,908.22-1,318.77

Finding the Fourth Proportional to 4,605.48, 6,908.22 and 1,318.77

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Solution

The fourth proportional to 4,605.48, 6,908.22 and 1,318.77 is: 1,978.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,605.48 : 6,908.22 = 1,318.77 : x
  2. Step 2: Convert to fraction form
    4,605.48/6,908.22 = 1,318.77/x
  3. Step 3: Cross multiply
    4,605.48x = 6,908.22 × 1,318.77
  4. Step 4: Simplify right side
    4,605.48x = 9,110,353.29
  5. Step 5: Solve for x
    x = 9,110,353.29/4,605.48
  6. Step 6: Final answer
    x = 1,978.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.