Home / 3,116.48-4,300.70-1,700.18

Finding the Fourth Proportional to 3,116.48, 4,300.70 and 1,700.18

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Solution

The fourth proportional to 3,116.48, 4,300.70 and 1,700.18 is: 2,346.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.48 : 4,300.70 = 1,700.18 : x
  2. Step 2: Convert to fraction form
    3,116.48/4,300.70 = 1,700.18/x
  3. Step 3: Cross multiply
    3,116.48x = 4,300.70 × 1,700.18
  4. Step 4: Simplify right side
    3,116.48x = 7,311,964.13
  5. Step 5: Solve for x
    x = 7,311,964.13/3,116.48
  6. Step 6: Final answer
    x = 2,346.23

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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.