Home / 7,301.30-10,075.80-4,157.49

Finding the Fourth Proportional to 7,301.30, 10,075.80 and 4,157.49

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Solution

The fourth proportional to 7,301.30, 10,075.80 and 4,157.49 is: 5,737.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,301.30 : 10,075.80 = 4,157.49 : x
  2. Step 2: Convert to fraction form
    7,301.30/10,075.80 = 4,157.49/x
  3. Step 3: Cross multiply
    7,301.30x = 10,075.80 × 4,157.49
  4. Step 4: Simplify right side
    7,301.30x = 41,890,037.74
  5. Step 5: Solve for x
    x = 41,890,037.74/7,301.30
  6. Step 6: Final answer
    x = 5,737.34

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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.