Home / 7,482.21-10,325.52-4,125.15

Finding the Fourth Proportional to 7,482.21, 10,325.52 and 4,125.15

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Solution

The fourth proportional to 7,482.21, 10,325.52 and 4,125.15 is: 5,692.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.21 : 10,325.52 = 4,125.15 : x
  2. Step 2: Convert to fraction form
    7,482.21/10,325.52 = 4,125.15/x
  3. Step 3: Cross multiply
    7,482.21x = 10,325.52 × 4,125.15
  4. Step 4: Simplify right side
    7,482.21x = 42,594,318.83
  5. Step 5: Solve for x
    x = 42,594,318.83/7,482.21
  6. Step 6: Final answer
    x = 5,692.75

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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.