Home / 7,017.20-10,520.21-4,052.28

Finding the Fourth Proportional to 7,017.20, 10,520.21 and 4,052.28

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Solution

The fourth proportional to 7,017.20, 10,520.21 and 4,052.28 is: 6,075.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.20 : 10,520.21 = 4,052.28 : x
  2. Step 2: Convert to fraction form
    7,017.20/10,520.21 = 4,052.28/x
  3. Step 3: Cross multiply
    7,017.20x = 10,520.21 × 4,052.28
  4. Step 4: Simplify right side
    7,017.20x = 42,630,846.71
  5. Step 5: Solve for x
    x = 42,630,846.71/7,017.20
  6. Step 6: Final answer
    x = 6,075.19

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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.