Home / 2,090.79-2,888.10-1,674.14

Finding the Fourth Proportional to 2,090.79, 2,888.10 and 1,674.14

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Solution

The fourth proportional to 2,090.79, 2,888.10 and 1,674.14 is: 2,312.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.79 : 2,888.10 = 1,674.14 : x
  2. Step 2: Convert to fraction form
    2,090.79/2,888.10 = 1,674.14/x
  3. Step 3: Cross multiply
    2,090.79x = 2,888.10 × 1,674.14
  4. Step 4: Simplify right side
    2,090.79x = 4,835,069.29
  5. Step 5: Solve for x
    x = 4,835,069.29/2,090.79
  6. Step 6: Final answer
    x = 2,312.56

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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.