Home / 2,905.58-4,008.36-1,710.17

Finding the Fourth Proportional to 2,905.58, 4,008.36 and 1,710.17

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Solution

The fourth proportional to 2,905.58, 4,008.36 and 1,710.17 is: 2,359.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.58 : 4,008.36 = 1,710.17 : x
  2. Step 2: Convert to fraction form
    2,905.58/4,008.36 = 1,710.17/x
  3. Step 3: Cross multiply
    2,905.58x = 4,008.36 × 1,710.17
  4. Step 4: Simplify right side
    2,905.58x = 6,854,977.02
  5. Step 5: Solve for x
    x = 6,854,977.02/2,905.58
  6. Step 6: Final answer
    x = 2,359.25

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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.