Home / 1,699.10-2,344.70-953.18

Finding the Fourth Proportional to 1,699.10, 2,344.70 and 953.18

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Solution

The fourth proportional to 1,699.10, 2,344.70 and 953.18 is: 1,315.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699.10 : 2,344.70 = 953.18 : x
  2. Step 2: Convert to fraction form
    1,699.10/2,344.70 = 953.18/x
  3. Step 3: Cross multiply
    1,699.10x = 2,344.70 × 953.18
  4. Step 4: Simplify right side
    1,699.10x = 2,234,921.15
  5. Step 5: Solve for x
    x = 2,234,921.15/1,699.10
  6. Step 6: Final answer
    x = 1,315.36

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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.