Home / 7,531.80-11,297.70-4,907.40

Finding the Fourth Proportional to 7,531.80, 11,297.70 and 4,907.40

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Solution

The fourth proportional to 7,531.80, 11,297.70 and 4,907.40 is: 7,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.80 : 11,297.70 = 4,907.40 : x
  2. Step 2: Convert to fraction form
    7,531.80/11,297.70 = 4,907.40/x
  3. Step 3: Cross multiply
    7,531.80x = 11,297.70 × 4,907.40
  4. Step 4: Simplify right side
    7,531.80x = 55,442,332.98
  5. Step 5: Solve for x
    x = 55,442,332.98/7,531.80
  6. Step 6: Final answer
    x = 7,361.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.