Home / 3,298.08-4,551.52-1,971.52

Finding the Fourth Proportional to 3,298.08, 4,551.52 and 1,971.52

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Solution

The fourth proportional to 3,298.08, 4,551.52 and 1,971.52 is: 2,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.08 : 4,551.52 = 1,971.52 : x
  2. Step 2: Convert to fraction form
    3,298.08/4,551.52 = 1,971.52/x
  3. Step 3: Cross multiply
    3,298.08x = 4,551.52 × 1,971.52
  4. Step 4: Simplify right side
    3,298.08x = 8,973,412.71
  5. Step 5: Solve for x
    x = 8,973,412.71/3,298.08
  6. Step 6: Final answer
    x = 2,720.80

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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.