Home / 3,300.48-4,554.60-1,808.40

Finding the Fourth Proportional to 3,300.48, 4,554.60 and 1,808.40

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Solution

The fourth proportional to 3,300.48, 4,554.60 and 1,808.40 is: 2,495.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.48 : 4,554.60 = 1,808.40 : x
  2. Step 2: Convert to fraction form
    3,300.48/4,554.60 = 1,808.40/x
  3. Step 3: Cross multiply
    3,300.48x = 4,554.60 × 1,808.40
  4. Step 4: Simplify right side
    3,300.48x = 8,236,538.64
  5. Step 5: Solve for x
    x = 8,236,538.64/3,300.48
  6. Step 6: Final answer
    x = 2,495.56

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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.