Home / 1,914.16-2,643.09-1,560.14

Finding the Fourth Proportional to 1,914.16, 2,643.09 and 1,560.14

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Solution

The fourth proportional to 1,914.16, 2,643.09 and 1,560.14 is: 2,154.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914.16 : 2,643.09 = 1,560.14 : x
  2. Step 2: Convert to fraction form
    1,914.16/2,643.09 = 1,560.14/x
  3. Step 3: Cross multiply
    1,914.16x = 2,643.09 × 1,560.14
  4. Step 4: Simplify right side
    1,914.16x = 4,123,577.22
  5. Step 5: Solve for x
    x = 4,123,577.22/1,914.16
  6. Step 6: Final answer
    x = 2,154.25

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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.