Home / 3,483.12-4,800.72-3,319.08

Finding the Fourth Proportional to 3,483.12, 4,800.72 and 3,319.08

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Solution

The fourth proportional to 3,483.12, 4,800.72 and 3,319.08 is: 4,574.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.12 : 4,800.72 = 3,319.08 : x
  2. Step 2: Convert to fraction form
    3,483.12/4,800.72 = 3,319.08/x
  3. Step 3: Cross multiply
    3,483.12x = 4,800.72 × 3,319.08
  4. Step 4: Simplify right side
    3,483.12x = 15,933,973.74
  5. Step 5: Solve for x
    x = 15,933,973.74/3,483.12
  6. Step 6: Final answer
    x = 4,574.63

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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.