Home / 1,802.02-2,704.58-707.16

Finding the Fourth Proportional to 1,802.02, 2,704.58 and 707.16

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Solution

The fourth proportional to 1,802.02, 2,704.58 and 707.16 is: 1,061.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802.02 : 2,704.58 = 707.16 : x
  2. Step 2: Convert to fraction form
    1,802.02/2,704.58 = 707.16/x
  3. Step 3: Cross multiply
    1,802.02x = 2,704.58 × 707.16
  4. Step 4: Simplify right side
    1,802.02x = 1,912,570.79
  5. Step 5: Solve for x
    x = 1,912,570.79/1,802.02
  6. Step 6: Final answer
    x = 1,061.35

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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.