Home / 7,175.63-9,901.85-4,488.05

Finding the Fourth Proportional to 7,175.63, 9,901.85 and 4,488.05

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Solution

The fourth proportional to 7,175.63, 9,901.85 and 4,488.05 is: 6,193.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.63 : 9,901.85 = 4,488.05 : x
  2. Step 2: Convert to fraction form
    7,175.63/9,901.85 = 4,488.05/x
  3. Step 3: Cross multiply
    7,175.63x = 9,901.85 × 4,488.05
  4. Step 4: Simplify right side
    7,175.63x = 44,440,033.87
  5. Step 5: Solve for x
    x = 44,440,033.87/7,175.63
  6. Step 6: Final answer
    x = 6,193.19

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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.