Home / 5,075.80-6,998.18-3,280.23

Finding the Fourth Proportional to 5,075.80, 6,998.18 and 3,280.23

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Solution

The fourth proportional to 5,075.80, 6,998.18 and 3,280.23 is: 4,522.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.80 : 6,998.18 = 3,280.23 : x
  2. Step 2: Convert to fraction form
    5,075.80/6,998.18 = 3,280.23/x
  3. Step 3: Cross multiply
    5,075.80x = 6,998.18 × 3,280.23
  4. Step 4: Simplify right side
    5,075.80x = 22,955,639.98
  5. Step 5: Solve for x
    x = 22,955,639.98/5,075.80
  6. Step 6: Final answer
    x = 4,522.57

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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.