Home / 7,482.55-10,325.76-4,125.28

Finding the Fourth Proportional to 7,482.55, 10,325.76 and 4,125.28

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Solution

The fourth proportional to 7,482.55, 10,325.76 and 4,125.28 is: 5,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.55 : 10,325.76 = 4,125.28 : x
  2. Step 2: Convert to fraction form
    7,482.55/10,325.76 = 4,125.28/x
  3. Step 3: Cross multiply
    7,482.55x = 10,325.76 × 4,125.28
  4. Step 4: Simplify right side
    7,482.55x = 42,596,651.21
  5. Step 5: Solve for x
    x = 42,596,651.21/7,482.55
  6. Step 6: Final answer
    x = 5,692.80

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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.