Home / 4,655.31-6,424.21-2,665.74

Finding the Fourth Proportional to 4,655.31, 6,424.21 and 2,665.74

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Solution

The fourth proportional to 4,655.31, 6,424.21 and 2,665.74 is: 3,678.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,655.31 : 6,424.21 = 2,665.74 : x
  2. Step 2: Convert to fraction form
    4,655.31/6,424.21 = 2,665.74/x
  3. Step 3: Cross multiply
    4,655.31x = 6,424.21 × 2,665.74
  4. Step 4: Simplify right side
    4,655.31x = 17,125,300.99
  5. Step 5: Solve for x
    x = 17,125,300.99/4,655.31
  6. Step 6: Final answer
    x = 3,678.66

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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.