Home / 5,075.12-7,607.45-2,438.67

Finding the Fourth Proportional to 5,075.12, 7,607.45 and 2,438.67

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Solution

The fourth proportional to 5,075.12, 7,607.45 and 2,438.67 is: 3,655.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.12 : 7,607.45 = 2,438.67 : x
  2. Step 2: Convert to fraction form
    5,075.12/7,607.45 = 2,438.67/x
  3. Step 3: Cross multiply
    5,075.12x = 7,607.45 × 2,438.67
  4. Step 4: Simplify right side
    5,075.12x = 18,552,060.09
  5. Step 5: Solve for x
    x = 18,552,060.09/5,075.12
  6. Step 6: Final answer
    x = 3,655.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.