Home / 7,258.91-10,017.50-4,274.20

Finding the Fourth Proportional to 7,258.91, 10,017.50 and 4,274.20

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Solution

The fourth proportional to 7,258.91, 10,017.50 and 4,274.20 is: 5,898.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.91 : 10,017.50 = 4,274.20 : x
  2. Step 2: Convert to fraction form
    7,258.91/10,017.50 = 4,274.20/x
  3. Step 3: Cross multiply
    7,258.91x = 10,017.50 × 4,274.20
  4. Step 4: Simplify right side
    7,258.91x = 42,816,752.09
  5. Step 5: Solve for x
    x = 42,816,752.09/7,258.91
  6. Step 6: Final answer
    x = 5,898.51

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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.