Home / 4,740.30-7,075.34-4,448.46

Finding the Fourth Proportional to 4,740.30, 7,075.34 and 4,448.46

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Solution

The fourth proportional to 4,740.30, 7,075.34 and 4,448.46 is: 6,639.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.30 : 7,075.34 = 4,448.46 : x
  2. Step 2: Convert to fraction form
    4,740.30/7,075.34 = 4,448.46/x
  3. Step 3: Cross multiply
    4,740.30x = 7,075.34 × 4,448.46
  4. Step 4: Simplify right side
    4,740.30x = 31,474,366.98
  5. Step 5: Solve for x
    x = 31,474,366.98/4,740.30
  6. Step 6: Final answer
    x = 6,639.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.