Home / 7,338.31-10,125.88-4,152.04

Finding the Fourth Proportional to 7,338.31, 10,125.88 and 4,152.04

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Solution

The fourth proportional to 7,338.31, 10,125.88 and 4,152.04 is: 5,729.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.31 : 10,125.88 = 4,152.04 : x
  2. Step 2: Convert to fraction form
    7,338.31/10,125.88 = 4,152.04/x
  3. Step 3: Cross multiply
    7,338.31x = 10,125.88 × 4,152.04
  4. Step 4: Simplify right side
    7,338.31x = 42,043,058.80
  5. Step 5: Solve for x
    x = 42,043,058.80/7,338.31
  6. Step 6: Final answer
    x = 5,729.26

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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.