Home / 4,740.98-6,540-3,228.08

Finding the Fourth Proportional to 4,740.98, 6,540 and 3,228.08

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Solution

The fourth proportional to 4,740.98, 6,540 and 3,228.08 is: 4,453.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.98 : 6,540 = 3,228.08 : x
  2. Step 2: Convert to fraction form
    4,740.98/6,540 = 3,228.08/x
  3. Step 3: Cross multiply
    4,740.98x = 6,540 × 3,228.08
  4. Step 4: Simplify right side
    4,740.98x = 21,111,643.20
  5. Step 5: Solve for x
    x = 21,111,643.20/4,740.98
  6. Step 6: Final answer
    x = 4,453.01

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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.