Home / 7,258.57-10,018.47-4,426.90

Finding the Fourth Proportional to 7,258.57, 10,018.47 and 4,426.90

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Solution

The fourth proportional to 7,258.57, 10,018.47 and 4,426.90 is: 6,110.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.57 : 10,018.47 = 4,426.90 : x
  2. Step 2: Convert to fraction form
    7,258.57/10,018.47 = 4,426.90/x
  3. Step 3: Cross multiply
    7,258.57x = 10,018.47 × 4,426.90
  4. Step 4: Simplify right side
    7,258.57x = 44,350,764.84
  5. Step 5: Solve for x
    x = 44,350,764.84/7,258.57
  6. Step 6: Final answer
    x = 6,110.12

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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.