Home / 3,133.32-4,675.46-3,115.10

Finding the Fourth Proportional to 3,133.32, 4,675.46 and 3,115.10

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Solution

The fourth proportional to 3,133.32, 4,675.46 and 3,115.10 is: 4,648.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.32 : 4,675.46 = 3,115.10 : x
  2. Step 2: Convert to fraction form
    3,133.32/4,675.46 = 3,115.10/x
  3. Step 3: Cross multiply
    3,133.32x = 4,675.46 × 3,115.10
  4. Step 4: Simplify right side
    3,133.32x = 14,564,525.45
  5. Step 5: Solve for x
    x = 14,564,525.45/3,133.32
  6. Step 6: Final answer
    x = 4,648.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.