Home / 3,459.12-4,763.52-2,409.36

Finding the Fourth Proportional to 3,459.12, 4,763.52 and 2,409.36

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Solution

The fourth proportional to 3,459.12, 4,763.52 and 2,409.36 is: 3,317.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.12 : 4,763.52 = 2,409.36 : x
  2. Step 2: Convert to fraction form
    3,459.12/4,763.52 = 2,409.36/x
  3. Step 3: Cross multiply
    3,459.12x = 4,763.52 × 2,409.36
  4. Step 4: Simplify right side
    3,459.12x = 11,477,034.55
  5. Step 5: Solve for x
    x = 11,477,034.55/3,459.12
  6. Step 6: Final answer
    x = 3,317.91

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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.