Home / 7,047.30-10,569.60-2,117.10

Finding the Fourth Proportional to 7,047.30, 10,569.60 and 2,117.10

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Solution

The fourth proportional to 7,047.30, 10,569.60 and 2,117.10 is: 3,175.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.30 : 10,569.60 = 2,117.10 : x
  2. Step 2: Convert to fraction form
    7,047.30/10,569.60 = 2,117.10/x
  3. Step 3: Cross multiply
    7,047.30x = 10,569.60 × 2,117.10
  4. Step 4: Simplify right side
    7,047.30x = 22,376,900.16
  5. Step 5: Solve for x
    x = 22,376,900.16/7,047.30
  6. Step 6: Final answer
    x = 3,175.24

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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.