Home / 2,094.30-3,140.16-707.51

Finding the Fourth Proportional to 2,094.30, 3,140.16 and 707.51

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Solution

The fourth proportional to 2,094.30, 3,140.16 and 707.51 is: 1,060.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,094.30 : 3,140.16 = 707.51 : x
  2. Step 2: Convert to fraction form
    2,094.30/3,140.16 = 707.51/x
  3. Step 3: Cross multiply
    2,094.30x = 3,140.16 × 707.51
  4. Step 4: Simplify right side
    2,094.30x = 2,221,678.90
  5. Step 5: Solve for x
    x = 2,221,678.90/2,094.30
  6. Step 6: Final answer
    x = 1,060.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.