Home / 6,258.62-8,617.20-5,312.43

Finding the Fourth Proportional to 6,258.62, 8,617.20 and 5,312.43

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Solution

The fourth proportional to 6,258.62, 8,617.20 and 5,312.43 is: 7,314.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,258.62 : 8,617.20 = 5,312.43 : x
  2. Step 2: Convert to fraction form
    6,258.62/8,617.20 = 5,312.43/x
  3. Step 3: Cross multiply
    6,258.62x = 8,617.20 × 5,312.43
  4. Step 4: Simplify right side
    6,258.62x = 45,778,271.80
  5. Step 5: Solve for x
    x = 45,778,271.80/6,258.62
  6. Step 6: Final answer
    x = 7,314.44

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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.