Home / 2,095.13-3,141.46-707.70

Finding the Fourth Proportional to 2,095.13, 3,141.46 and 707.70

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Solution

The fourth proportional to 2,095.13, 3,141.46 and 707.70 is: 1,061.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.13 : 3,141.46 = 707.70 : x
  2. Step 2: Convert to fraction form
    2,095.13/3,141.46 = 707.70/x
  3. Step 3: Cross multiply
    2,095.13x = 3,141.46 × 707.70
  4. Step 4: Simplify right side
    2,095.13x = 2,223,211.24
  5. Step 5: Solve for x
    x = 2,223,211.24/2,095.13
  6. Step 6: Final answer
    x = 1,061.13

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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.