Home / 7,555.89-10,427.13-4,152.88

Finding the Fourth Proportional to 7,555.89, 10,427.13 and 4,152.88

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Solution

The fourth proportional to 7,555.89, 10,427.13 and 4,152.88 is: 5,730.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.89 : 10,427.13 = 4,152.88 : x
  2. Step 2: Convert to fraction form
    7,555.89/10,427.13 = 4,152.88/x
  3. Step 3: Cross multiply
    7,555.89x = 10,427.13 × 4,152.88
  4. Step 4: Simplify right side
    7,555.89x = 43,302,632.67
  5. Step 5: Solve for x
    x = 43,302,632.67/7,555.89
  6. Step 6: Final answer
    x = 5,730.97

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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.