Home / 4,721.40-6,517.56-2,952.64

Finding the Fourth Proportional to 4,721.40, 6,517.56 and 2,952.64

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Solution

The fourth proportional to 4,721.40, 6,517.56 and 2,952.64 is: 4,075.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.40 : 6,517.56 = 2,952.64 : x
  2. Step 2: Convert to fraction form
    4,721.40/6,517.56 = 2,952.64/x
  3. Step 3: Cross multiply
    4,721.40x = 6,517.56 × 2,952.64
  4. Step 4: Simplify right side
    4,721.40x = 19,244,008.36
  5. Step 5: Solve for x
    x = 19,244,008.36/4,721.40
  6. Step 6: Final answer
    x = 4,075.91

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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.