Home / 7,587.79-10,471.22-4,230.57

Finding the Fourth Proportional to 7,587.79, 10,471.22 and 4,230.57

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Solution

The fourth proportional to 7,587.79, 10,471.22 and 4,230.57 is: 5,838.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.79 : 10,471.22 = 4,230.57 : x
  2. Step 2: Convert to fraction form
    7,587.79/10,471.22 = 4,230.57/x
  3. Step 3: Cross multiply
    7,587.79x = 10,471.22 × 4,230.57
  4. Step 4: Simplify right side
    7,587.79x = 44,299,229.20
  5. Step 5: Solve for x
    x = 44,299,229.20/7,587.79
  6. Step 6: Final answer
    x = 5,838.23

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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.