Home / 4,670.40-7,007.20-2,075.12

Finding the Fourth Proportional to 4,670.40, 7,007.20 and 2,075.12

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Solution

The fourth proportional to 4,670.40, 7,007.20 and 2,075.12 is: 3,113.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,670.40 : 7,007.20 = 2,075.12 : x
  2. Step 2: Convert to fraction form
    4,670.40/7,007.20 = 2,075.12/x
  3. Step 3: Cross multiply
    4,670.40x = 7,007.20 × 2,075.12
  4. Step 4: Simplify right side
    4,670.40x = 14,540,780.86
  5. Step 5: Solve for x
    x = 14,540,780.86/4,670.40
  6. Step 6: Final answer
    x = 3,113.39

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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.