Home / 4,615.18-6,922.77-1,328.30

Finding the Fourth Proportional to 4,615.18, 6,922.77 and 1,328.30

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Solution

The fourth proportional to 4,615.18, 6,922.77 and 1,328.30 is: 1,992.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.18 : 6,922.77 = 1,328.30 : x
  2. Step 2: Convert to fraction form
    4,615.18/6,922.77 = 1,328.30/x
  3. Step 3: Cross multiply
    4,615.18x = 6,922.77 × 1,328.30
  4. Step 4: Simplify right side
    4,615.18x = 9,195,501.76
  5. Step 5: Solve for x
    x = 9,195,501.76/4,615.18
  6. Step 6: Final answer
    x = 1,992.45

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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.