Home / 2,432.16-3,355.04-1,686.56

Finding the Fourth Proportional to 2,432.16, 3,355.04 and 1,686.56

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Solution

The fourth proportional to 2,432.16, 3,355.04 and 1,686.56 is: 2,326.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.16 : 3,355.04 = 1,686.56 : x
  2. Step 2: Convert to fraction form
    2,432.16/3,355.04 = 1,686.56/x
  3. Step 3: Cross multiply
    2,432.16x = 3,355.04 × 1,686.56
  4. Step 4: Simplify right side
    2,432.16x = 5,658,476.26
  5. Step 5: Solve for x
    x = 5,658,476.26/2,432.16
  6. Step 6: Final answer
    x = 2,326.52

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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.