Home / 5,070.32-7,599.84-2,107.11

Finding the Fourth Proportional to 5,070.32, 7,599.84 and 2,107.11

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Solution

The fourth proportional to 5,070.32, 7,599.84 and 2,107.11 is: 3,158.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.32 : 7,599.84 = 2,107.11 : x
  2. Step 2: Convert to fraction form
    5,070.32/7,599.84 = 2,107.11/x
  3. Step 3: Cross multiply
    5,070.32x = 7,599.84 × 2,107.11
  4. Step 4: Simplify right side
    5,070.32x = 16,013,719.46
  5. Step 5: Solve for x
    x = 16,013,719.46/5,070.32
  6. Step 6: Final answer
    x = 3,158.32

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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.