Home / 3,292.31-4,547.07-2,555.21

Finding the Fourth Proportional to 3,292.31, 4,547.07 and 2,555.21

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Solution

The fourth proportional to 3,292.31, 4,547.07 and 2,555.21 is: 3,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.31 : 4,547.07 = 2,555.21 : x
  2. Step 2: Convert to fraction form
    3,292.31/4,547.07 = 2,555.21/x
  3. Step 3: Cross multiply
    3,292.31x = 4,547.07 × 2,555.21
  4. Step 4: Simplify right side
    3,292.31x = 11,618,730.10
  5. Step 5: Solve for x
    x = 11,618,730.10/3,292.31
  6. Step 6: Final answer
    x = 3,529.05

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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.