Home / 2,910.04-4,015.88-1,715.08

Finding the Fourth Proportional to 2,910.04, 4,015.88 and 1,715.08

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Solution

The fourth proportional to 2,910.04, 4,015.88 and 1,715.08 is: 2,366.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.04 : 4,015.88 = 1,715.08 : x
  2. Step 2: Convert to fraction form
    2,910.04/4,015.88 = 1,715.08/x
  3. Step 3: Cross multiply
    2,910.04x = 4,015.88 × 1,715.08
  4. Step 4: Simplify right side
    2,910.04x = 6,887,555.47
  5. Step 5: Solve for x
    x = 6,887,555.47/2,910.04
  6. Step 6: Final answer
    x = 2,366.83

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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.