Home / 5,258.02-7,870.62-3,872.92

Finding the Fourth Proportional to 5,258.02, 7,870.62 and 3,872.92

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Solution

The fourth proportional to 5,258.02, 7,870.62 and 3,872.92 is: 5,797.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.02 : 7,870.62 = 3,872.92 : x
  2. Step 2: Convert to fraction form
    5,258.02/7,870.62 = 3,872.92/x
  3. Step 3: Cross multiply
    5,258.02x = 7,870.62 × 3,872.92
  4. Step 4: Simplify right side
    5,258.02x = 30,482,242.26
  5. Step 5: Solve for x
    x = 30,482,242.26/5,258.02
  6. Step 6: Final answer
    x = 5,797.29

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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.