Home / 7,271.17-10,028.51-4,880.35

Finding the Fourth Proportional to 7,271.17, 10,028.51 and 4,880.35

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Solution

The fourth proportional to 7,271.17, 10,028.51 and 4,880.35 is: 6,731.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.17 : 10,028.51 = 4,880.35 : x
  2. Step 2: Convert to fraction form
    7,271.17/10,028.51 = 4,880.35/x
  3. Step 3: Cross multiply
    7,271.17x = 10,028.51 × 4,880.35
  4. Step 4: Simplify right side
    7,271.17x = 48,942,645.21
  5. Step 5: Solve for x
    x = 48,942,645.21/7,271.17
  6. Step 6: Final answer
    x = 6,731.06

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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.